Observational research

观察性研究
  • 文章类型: Journal Article
    目的:INTERASPIRE是一项针对冠心病(CHD)患者的国际研究,旨在衡量二级预防和心脏康复的指导标准是否及时实现。
    方法:在2020年至2023年之间,对来自世界卫生组织所有6个地区的14个国家/地区的在过去6-24个月内发生或复发性冠心病住院的成年人进行了抽样,并邀请他们进行标准化访谈和检查。直接年龄和性别标准化用于国家一级的患病率估计。
    结果:总体而言,4548例(21.1%为女性)冠心病患者在住院后中位时间为1.05年(四分位距0.76-1.45年)。在所有参与者中,24%为肥胖(40%为中心)。只有38.5%的血压(BP)<130/80mmHg,而19.2%的低密度脂蛋白胆固醇(LDL-C)<1.4mmol/l。在住院时吸烟的人中,48%的人坚持面试。在已知的糖尿病患者中,56%的糖化血红蛋白(HbA1c)<7.0%。另有9.8%的人未检测到糖尿病和26.9%的葡萄糖耐量受损。女性实现目标的可能性较小:BP(女性37.4%,男性38.6%),LDL-C(女性13.7%,男性18.6%)和HbA1c在糖尿病中(女性47.7%,男性57.5%)。总的来说,只有9.0%(国家间范围3.8%-20.0%)报告参加心脏康复治疗,1.0%(国家间范围0.0%-2.4%)达到了最佳指南依从性的研究定义.
    结论:INTERASPIRE表明,在冠心病住院后的第一年,二级预防指南标准的国际实施不充分和异质性。地理和性别差异。旨在减少二级预防中国家之间和个体之间差异的投资将促进全球努力的公平性,以减轻CHD的负担。
    OBJECTIVE: INTERASPIRE is an international study of coronary heart disease (CHD) patients, designed to measure if guideline standards for secondary prevention and cardiac rehabilitation are being achieved in a timely manner.
    METHODS: Between 2020-2023, adults hospitalized in the preceding 6-24 months with incident or recurrent CHD were sampled in 14 countries from all 6 World Health Organization regions and invited for a standardized interview and examination. Direct age and sex standardization was used for country-level prevalence estimation.
    RESULTS: Overall, 4548 (21.1% female) CHD patients were interviewed a median of 1.05 (interquartile range 0.76-1.45) years after index hospitalization. Among all participants, 24% were obese (40% centrally). Only 38.5% achieved a blood pressure (BP) <130/80 mmHg and 19.2% a low-density lipoprotein cholesterol (LDL-C) of <1.4 mmol/l. Of those smoking at hospitalization, 48% persisted at interview. Of those with known diabetes, 56% achieved glycated hemoglobin (HbA1c) of <7.0%. A further 9.8% had undetected diabetes and 26.9% impaired glucose tolerance. Females were less likely to achieve targets: BP (females 37.4% males 38.6%), LDL-C (females 13.7% males 18.6%) and HbA1c in diabetes (females 47.7% males 57.5%). Overall, just 9.0% (inter-country range 3.8%-20.0%) reported attending cardiac rehabilitation and 1.0% (inter-country range 0.0%-2.4%) achieved the study definition of optimal guideline adherence.
    CONCLUSIONS: INTERASPIRE demonstrates inadequate and heterogeneous international implementation of guideline standards for secondary prevention in the first year after CHD hospitalization, with geographic and sex disparity. Investment aimed at reducing between-country and between-individual variability in secondary prevention will promote equity in global efforts to reduce the burden of CHD.
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  • 文章类型: Journal Article
    在COVID-19大流行期间,随机对照试验中使用的许多常规研究方法是不可能的。特别是,行为观察几乎普遍是亲自收集的。观察方法对富人很有价值,与非观察方法相比,它们产生的信息数据是育儿和家庭研究的基石。COVID提供了机会,确实有必要,向完全远程观察的过渡。然而,几乎没有研究调查远程收集的观测数据在方法上是否合理。本文通过描述在连续,多重分配,在大流行之前和期间进行的育儿计划的随机试验(SMART)。使用来自编码器的混合方法数据,对COVID之前和期间收集的视频记录数据的总体质量进行了检查.使用组内相关系数评估随时间变化的编码器可靠性。结果表明,音频问题的频率,视觉问题的严重性,过渡到远程数据收集后,管理挑战的水平下降了。此外,编码器表现出良好的可靠性编码远程收集的数据,和可靠性甚至提高了一些测量任务。尽管远程数据收集存在挑战,这项研究表明,观测数据可以被可行和可靠地收集。由于观察数据收集是评估育儿实践的关键方法,这些发现应提高研究者在预防科学中利用远程观测方法的信心。
    Many conventional research methods employed in randomized controlled trials were not possible during the height of the COVID-19 pandemic. In particular, behavioral observations are nearly universally gathered in-person. Observational methods are valued for the rich, informative data they produce in comparison to non-observational methods and are a cornerstone of parenting and family research. COVID provided the opportunity to, and indeed necessitated, the transition to fully remote observation. However, little to no studies have investigated whether remotely collected observational data are methodologically sound. This paper assesses the feasibility of remote data collection by describing the transition between in-person and fully remote observational data collection during a Sequential, Multiple Assignment, Randomized Trial (SMART) of a parenting program that took place both before and during the pandemic. Using mixed-methods data from coders, the overall quality of video-recorded data collected both before and during COVID was examined. Coder reliability over time was assessed with intraclass correlation coefficients. Results suggest that the frequency of audio problems, the severity of visual problems, and the level of administration challenges decreased after transitioning to remote data collection. Additionally, coders showed good to excellent reliability coding remotely collected data, and reliability even improved on some measured tasks. Although challenges to remote data collection exist, this study demonstrated that observational data can be collected feasibly and reliably. As observational data collection is a key method to assess parenting practices, these findings should improve researcher confidence in utilizing remote observational methods in prevention science.
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  • 文章类型: Journal Article
    背景:观察性研究对于了解肺癌治疗进展的现实益处非常重要。综合卫生保健系统,比如北加利福尼亚的KaiserPermanente,拥有适合此类研究的广泛电子健康记录,但是他们的人口的普遍性经常受到质疑。
    方法:利用加州癌症登记处的数据,作者比较了人口统计学和临床特征的分布,除了邻里和环境条件,从2015年到2019年在北加利福尼亚KaiserPermanente被诊断为肺癌的患者之间,国家癌症研究所指定的癌症中心(NCICCs),以及同一集水区内的所有其他非NCICC医院。
    结果:在20,178名患者中,30%来自北加州的KaiserPermanente,8%来自NCICCs,62%来自其他非NCICC医院。与NCICC患者相比,北加州KaiserPermanente患者在大多数特征上与其他非NCICC患者更相似。与其他非NCICC患者相比,北加利福尼亚的KaiserPermanente患者年龄稍大,更有可能是女性,并且不太可能成为西班牙裔或亚洲/太平洋岛民,并且居住在较低的社会经济地位(SES)社区。相比之下,NCICC患者更年轻,不太可能是女性或非亚洲/太平洋岛民少数族裔群体,与北加州KaiserPermanente或其他非NCICC患者相比,更有可能出现早期疾病和腺癌,并且居住在SES较高和空气污染较低的社区。
    结论:来自北加州KaiserPermanente的患者,与NCICCs相比,更广泛地代表了潜在的肺癌患者群体。
    结论:使用来自综合医疗保健系统的电子健康记录数据的研究可以为基准和改善肺癌护理提供可推广的现实证据。
    BACKGROUND: Observational research is important for understanding the real-world benefits of advancements in lung cancer care. Integrated health care systems, such as Kaiser Permanente Northern California, have extensive electronic health records suitable for such research, but the generalizability of their populations is often questioned.
    METHODS: Leveraging data from the California Cancer Registry, the authors compared distributions of demographic and clinical characteristics, in addition to neighborhood and environmental conditions, between patients diagnosed with lung cancer from 2015 through 2019 at Kaiser Permanente Northern California, National Cancer Institute-designated cancer centers (NCICCs), and all other non-NCICC hospitals within the same catchment area.
    RESULTS: Of 20,178 included patients, 30% were from Kaiser Permanente Northern California, 8% from NCICCs, and 62% from other non-NCICC hospitals. Compared to NCICC patients, Kaiser Permanente Northern California patients were more similar to other non-NCICC patients on most characteristics. Compared to other non-NCICC patients, Kaiser Permanente Northern California patients were slightly older, more likely to be female, and less likely to be Hispanic or Asian/Pacific Islander and to reside in lower socioeconomic status (SES) neighborhoods. In contrast, NCICC patients were younger, less likely to be female or from non-Asian/Pacific Islander minoritized racial groups, and more likely to present with early-stage disease and adenocarcinoma and to reside in neighborhoods with higher SES and lower air pollution than Kaiser Permanente Northern California or other non-NCICC patients.
    CONCLUSIONS: Patients from Kaiser Permanente Northern California, compared to NCICCs, are more broadly representative of the underlying patient population with lung cancer.
    CONCLUSIONS: Research using electronic health record data from integrated health care systems can contribute generalizable real-world evidence to benchmark and improve lung cancer care.
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  • 文章类型: Journal Article
    背景:随着人口老龄化和经皮冠状动脉介入治疗(PCI)患者的合并症负担增加,冠状动脉钙化的最佳PCI管理在当代实践中至关重要.
    目的:本研究旨在探讨冠状动脉血管内碎石术(IVL)的趋势和结果,旋转/眼眶旋磨,或在密歇根州接受PCI的患者中两者兼有。
    方法:我们纳入了2021年1月1日至2022年6月30日在密歇根州48家医院进行的所有PCI。结果包括院内主要不良心脏事件(MACE)和手术成功。
    结果:1,090例患者(2.57%)使用了IVL,1,743名(4.10%)患者使用了动脉粥样硬化切除术,两者均用于240例患者(占所有PCI的0.57%)。IVL的使用从2021年1月的0.04%PCI病例增加到2022年6月的4.28%,最终超过了粥样斑块切除术的使用率。与动脉粥样硬化切除术相比,接受IVL治疗的患者的MACE率(4.3%vs5.4%;P=0.23)和手术成功率(89.4%vs89.1%;P=0.88)相似。分别。在当代实践中,只有15.6%的IVL治疗患者与关键IVL试验中的人群相似。在这些患者中(n=169),MACEs的发生率(0.0%)和手术成功率(94.7%)与关键IVL试验报告的结局相似.
    结论:自2021年2月推出以来,冠状动脉IVL的使用稳步增加,到2022年2月超过密歇根州的动脉粥样硬化切除术。IVL和粥样斑块切除术的当代使用通常与高手术成功率和低并发症发生率相关。
    BACKGROUND: With an aging population and an increase in the comorbidity burden of patients undergoing percutaneous coronary intervention (PCI), the management of coronary calcification for optimal PCI is critical in contemporary practice.
    OBJECTIVE: This study sought to examine the trends and outcomes of coronary intravascular lithotripsy (IVL), rotational/orbital atherectomy, or both among patients who underwent PCI in Michigan.
    METHODS: We included all PCIs between January 1, 2021, and June 30, 2022, performed at 48 Michigan hospitals. Outcomes included in-hospital major adverse cardiac events (MACEs) and procedural success.
    RESULTS: IVL was used in 1,090 patients (2.57%), atherectomy was used in 1,743 (4.10%) patients, and both were used in 240 patients (0.57% of all PCIs). IVL use increased from 0.04% of PCI cases in January 2021 to 4.28% of cases in June 2022, ultimately exceeding the rate of atherectomy use. The rate of MACEs (4.3% vs 5.4%; P = 0.23) and procedural success (89.4% vs 89.1%; P = 0.88) were similar among patients treated with IVL compared with atherectomy, respectively. Only 15.6% of patients treated with IVL in contemporary practice were similar to the population enrolled in the pivotal IVL trials. Among such patients (n = 169), the rate of MACEs (0.0%) and procedural success (94.7%) were similar to the outcomes reported in the pivotal IVL trials.
    CONCLUSIONS: Since its introduction in February 2021, coronary IVL use has steadily increased, exceeding atherectomy use in Michigan by February 2022. Contemporary use of IVL and atherectomy is generally associated with high rates of procedural success and low rates of complications.
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  • 文章类型: Journal Article
    生活方式行为,包括体力活动,可能有助于减轻个人护士轮班工作的慢性病和心理健康后果。轮班工作护士的身体活动水平和预测该人群身体活动的因素尚不清楚。
    这项研究的主要目的是描述轮班工作医院护士的工作和休闲时间体力活动行为,并确定行为,生物,或影响体力活动的工作相关因素。
    观察性;横截面。
    急性护理医院系统。
    当前注册护士(N=112)的轮班工作时间表(轮换,混合,或永久夜班)。
    在线验证问卷用于评估工作和休闲体育活动水平(国际体育活动问卷);计划行为建构理论(态度,主观规范,感知行为控制,和意图)与身体活动有关;和早晨。还评估了与工作相关的特征。研究了计划行为结构理论的结构方程模型。
    轮班护士报告了227(±265)分钟/周的休闲时间和566(±868)分钟/周的职业性中等至剧烈的身体活动。态度(标准化系数=0.63;p<0.05)是身体活动意图的最强预测因子,和意图(标准化系数=0.40;p<0.05)是休闲时间体育活动行为的显着预测指标。被确定为“早晨”的人之间的身体活动类型和数量没有统计学上的显着差异,\"中间\",或“晚上”类型。与直接护理护士相比,临床护士领导者从事的休闲时间体力活动在统计学上显着减少(703±1142vs.1202±1372MET-分钟/周)(p=0.013)。
    我们的研究结果表明,轮班工作注册护士报告符合国家休闲和职业体力活动指南;然而,有相当大的个体差异。计划行为建构理论,尤其是态度和意图,与休闲时间体力活动显著相关,但与职业性体力活动无关,强调在干预措施中以提高轮班护士的身体活动水平为目标的重要性。
    UNASSIGNED: Lifestyle behaviors, including physical activity, may help to mitigate the chronic disease and mental health consequences of shift work in nurses at the individual level. The physical activity levels of shift-working nurses and factors that predict physical activity in this population are unclear.
    UNASSIGNED: The primary aim of this study was to describe work and leisure-time physical activity behaviors in shift-working hospital nurses and determine behavioral, biological, or work-related factors that influence physical activity.
    UNASSIGNED: Observational; cross-sectional.
    UNASSIGNED: Acute care hospital system.
    UNASSIGNED: Current registered nurses (N = 112) with a shift work schedule (rotating, mixed, or permanent night shift).
    UNASSIGNED: Online validated questionnaires were used to assess work and leisure physical activity levels (International Physical Activity Questionnaire); Theory of Planned Behavior constructs (attitudes, subjective norms, perceived behavioral control, and intention) related to physical activity; and morningness-eveningness. Work-related characteristics were also assessed. Structural equation models were examined for the Theory of Planned Behavior constructs.
    UNASSIGNED: Shift-working nurses reported 227 (±265) minutes/week of leisure-time and 566 (±868) minutes/week of occupational moderate-to-vigorous physical activity. Attitude (standardized coefficient = 0.63; p < 0.05) was the strongest predictor of physical activity intention, and intention (standardized coefficient = 0.40; p < 0.05) was a significant predictor of leisure-time physical activity behavior. There were no statistically significant differences in physical activity type and amount between those who identified as \"morning\", \"intermediate\", or \"evening\" types. Clinical nurse leaders engaged in statistically significantly less leisure-time physical activity than direct care nurses (703 ± 1142 vs. 1202 ± 1372 MET-minutes/week) (p = 0.013).
    UNASSIGNED: Our findings suggest that on average, shift-working registered nurses report meeting national physical activity guidelines for leisure and occupational physical activity; however, there is considerable interindividual variability. Theory of Planned Behavior constructs, especially attitude and intention, were significantly associated with leisure-time physical activity but not occupational physical activity, emphasizing the importance of targeting them in interventions to increase physical activity levels among shift-working nurses.
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  • 文章类型: Journal Article
    通过跨专业实践进行的工作的有效性取决于专业人员之间沟通的性质和程度。迄今为止,很少有研究探索沟通模式如何影响跨专业工作。这项研究的重点是在跨专业会议期间进行沟通,以更好地了解通过这些相遇进行的跨专业工作。具体来说,它研究了互动的话语,也就是说,语言的模式,影响在跨专业会议期间执行的工作。观察到在一个康复股举行了一系列四次跨专业会议。观察到21名参与者,包括医疗,护理,联合卫生临床医生,和健康专业的学生。对五名与会者进行了后续刺激召回访谈。数据收集包括视频和音频记录以及详细的现场注释。数据采用体裁分析相结合的方法进行分析,一种语篇分析的形式,和活动系统分析,借鉴文化历史活动理论。这促进了对话语结构及其对会议成果的影响的深入审查。会议结构是明确和可预测的。确定了两种不同形式的话语,并将其标记为脚本和非脚本。脚本化的话语是由标准化文件推动的,并促进了组织工作的完成。相比之下,无脚本话语是自发的对话,用于共同构建知识并有助于合作。在经验丰富的临床医生精心策划的整个会议中,脚本化和非脚本化的话语之间不断变化。与其分散讨论,这种转变使共享决策成为可能。这项研究为在跨专业会议期间进行的跨专业工作提供了进一步的见解。脚本化的话语受到会议中的工件(交流工具)的高度影响,这些被用来确保满足组织要求。无脚本的话语不仅促进了新的见解和决策,而且还促进了可能影响会议内外工作的社会凝聚力。
    The effectiveness of work performed through interprofessional practice is contingent on the nature and extent of communication between professionals. To date, there is little research exploring how the patterns of communication may impact interprofessional work. This study focused on communication during interprofessional meetings to better understand the interprofessional work performed through these encounters. Specifically, it examined how interactional discourse, that is, the patterns of language, influenced work performed during interprofessional meetings. A series of four interprofessional meetings in a rehabilitation unit were observed. Twenty-one participants were observed, including medical, nursing, allied health clinicians, and health professions students. Follow-up stimulated-recall interviews were conducted with five meeting participants. The data collection consisted of video and audio recordings and detailed field notes. Data were analyzed using a combination of genre analysis, a form of discourse analysis, and activity system analysis, drawing on Cultural Historical Activity Theory. This facilitated an in-depth examination of the structure of discourse and its influence on meeting outcomes. The meeting structure was defined and predictable. Two distinct forms of discourse were identified and labeled scripted and unscripted. Scripted discourse was prompted by standardized documents and facilitated the completion of organizational work. In contrast, unscripted discourse was spontaneous dialogue used to co-construct knowledge and contributed to collaboration. There was constant shifting between scripted and unscripted discourse throughout meetings which was orchestrated by experienced clinicians. Rather than fragmenting the discussion, this shifting enabled shared decision making. This research provides further insights into the interprofessional work performed during interprofessional meetings. The scripted discourse was highly influenced by artifacts (communication tools) in meetings, and these were used to ensure organizational imperatives were met. Unscripted discourse facilitated not only new insights and decisions but also social cohesion that may influence work within and outside the meeting.
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  • 文章类型: Observational Study
    背景:骨关节炎(OA)与高血压之间的关联是观察性研究中持续争论的主题,它们之间潜在的因果关系仍然难以捉摸。
    方法:本研究回顾性纳入了2013年至2020年国家健康和营养调查(NHANES)的24,871名参与者。采用加权logistic回归分析OA与高血压的关系。此外,进行了孟德尔随机化(MR)分析,以探讨OA和高血压之间的潜在因果关系。
    结果:在NHANES数据中,在调整了多个混杂因素后,OA与高血压的关系无统计学意义(OR1.30,95%CI,0.97~1.73,P=0.089)。然而,在男性中,OA似乎与较高的高血压风险相关(OR2.25,95%CI,1.17-4.32,P=0.019)。此外,MR结果表明多种OA表型与高血压之间没有关系:膝关节OA(IVW,OR1.024,95%CI:0.931-1.126,P=0.626),髋关节OA(IVW,OR0.990,95%CI:0.941-1.042,P=0.704),膝盖或臀部OA(IVW,OR1.005,95%CI:0.915-1.105,P=0.911),和来自英国生物库的OA(IVW,OR0.796,95%CI:0.233-2.714,P=0.715)。重要的是,这些发现在不同性别之间和反向MR中保持一致.
    结论:我们的研究发现,在观察性研究中,OA患者仅在男性中具有较高的高血压风险。然而,MR分析未发现OA与高血压之间的任何因果关系。
    BACKGROUND: The association between osteoarthritis (OA) and hypertension is a subject of ongoing debate in observational research, and the underlying causal relationship between them remains elusive.
    METHODS: This study retrospectively included 24,871 participants in the National Health and Nutrition Examination Survey (NHANES) from 2013 to 2020. Weighted logistic regression was performed to investigate the connection between OA and hypertension. Additionally, Mendelian randomization (MR) analysis was conducted to explore the potential causal relationship between OA and hypertension.
    RESULTS: In the NHANES data, after adjusting for multiple confounding factors, there was no significant relationship between OA and hypertension (OR 1.30, 95% CI, 0.97-1.73, P = 0.089). However, among males, OA appeared to be associated with a higher risk of hypertension (OR 2.25, 95% CI, 1.17-4.32, P = 0.019). Furthermore, MR results indicate no relationship between multiple OA phenotypes and hypertension: knee OA (IVW, OR 1.024, 95% CI: 0.931-1.126, P = 0.626), hip OA (IVW, OR 0.990, 95% CI: 0.941-1.042, P = 0.704), knee or hip OA (IVW, OR 1.005, 95% CI: 0.915-1.105, P = 0.911), and OA from UK Biobank (IVW, OR 0.796, 95% CI: 0.233-2.714, P = 0.715). Importantly, these findings remained consistent across different genders and in reverse MR.
    CONCLUSIONS: Our study found that OA patients had a higher risk of hypertension only among males in the observational study. However, MR analysis did not uncover any causal relationship between OA and hypertension.
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  • 文章类型: Journal Article
    为了应对COVID-19大流行的前所未有的挑战,国会于2020年3月批准了高等教育紧急救济基金(HERFI),拨款超过60亿美元用于紧急财政援助。在本文中,我们利用行政负担框架来分析大学分层随机样本的HEERFI实施情况,关注对公平的影响。我们发现,支付政策在两个方面有所不同:(1)它们是否通过要求申请和困难证明给学生带来负担;(2)它们是否针对有需要的学生并根据需要改变援助金额。当我们研究部门差异时,我们发现私立营利性大学更有可能给学生带来更高的负担,而公立和少数族裔服务机构更有可能减轻负担。
    To address the unprecedented challenges of the COVID-19 pandemic, Congress authorized the Higher Education Emergency Relief Fund (HEERF I) in March 2020 with over $6 billion allocated for emergency financial aid. In this paper, we utilize the administrative burden framework to analyze HEERF I implementation for a stratified random sample of colleges, focusing on the implications for equity. We find that disbursement policies varied along two dimensions: (1) whether they imposed burdens on students by requiring applications and proof of hardship and (2) whether they targeted needy students and varied the amount of aid according to need. When we examine sectoral differences, we find that private for-profit colleges were more likely to place higher burden on students, whereas public and minority-serving institutions were more likely to reduce burden.
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  • 文章类型: Journal Article
    阿片类药物使用障碍(MOUD)的药物可在积极治疗期间增加护理保留率并降低死亡率;然而,关于不同形式的MOUD的比较有效性的信息很少。观察性比较有效性研究受到许多类型的偏见的影响;最小化偏见的强大框架将提高比较有效性证据的质量。本文讨论了使用目标试验仿真作为框架来进行MOUD与行政数据的比较有效性研究。使用我们计划的研究项目中的例子,比较丁丙诺啡-纳洛酮和缓释纳曲酮的MOUD停药率,我们介绍了在MOUD研究中采用目标试验仿真的挑战和方法.
    Medications for opioid use disorder (MOUD) increase retention in care and decrease mortality during active treatment; however, information about the comparative effectiveness of different forms of MOUD is sparse. Observational comparative effectiveness studies are subject to many types of bias; a robust framework to minimize bias would improve the quality of comparative effectiveness evidence. This paper discusses the use of target trial emulation as a framework to conduct comparative effectiveness studies of MOUD with administrative data. Using examples from our planned research project comparing buprenorphine-naloxone and extended-release naltrexone with respect to the rates of MOUD discontinuation, we provide a primer on the challenges and approaches to employing target trial emulation in the study of MOUD.
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  • 文章类型: Journal Article
    背景:对被监禁人群和其他罪犯群体的研究具有挑战性,可能会阻碍研究的进行,特别是涉及复杂的研究设计,如随机对照试验和临床干预措施。提供该领域采用的研究设计的概述可以提供对该问题的见解,以及研究质量如何影响健康和司法结果。
    方法:我们使用基于规则的方法从1963年至2023年之间发表的与流行病学犯罪学有关的34,481篇PubMed摘要样本中提取研究设计。将结果与公认的科学证据层次结构进行比较。
    结果:我们在100份PubMed摘要的随机样本中评估了我们的方法。返回92.2%的F1分数。在34,481份研究摘要中,近40.0%(13,671)的研究设计已提取.最常见的研究设计是观察性(37.3%;5101),而试验形式的实验研究(随机,非随机)占16.9%(2319)。针对当前的科学证据等级,13.7%(1874)的提取研究设计不能被分类。在其余的研究中,大多数是观察性(17.2%;2343),其次是系统评价(10.5%;1432),随机对照试验占8.7%(1196)的研究,荟萃分析占1.4%(190)的研究.
    结论:可以通过计算从大规模PubMed样本中提取流行病学研究设计。然而,试验的次数,系统评价,而荟萃分析相对较小-只有五分之一的文章。尽管文章总数随着时间的推移而增加,摘要中缺少研究设计细节.流行病学犯罪学仍然缺乏解决囚犯和罪犯边缘化和孤立人群健康需求所需的实验证据。
    BACKGROUND: The challenging nature of studies with incarcerated populations and other offender groups can impede the conduct of research, particularly that involving complex study designs such as randomised control trials and clinical interventions. Providing an overview of study designs employed in this area can offer insights into this issue and how research quality may impact on health and justice outcomes.
    METHODS: We used a rule-based approach to extract study designs from a sample of 34,481 PubMed abstracts related to epidemiological criminology published between 1963 and 2023. The results were compared against an accepted hierarchy of scientific evidence.
    RESULTS: We evaluated our method in a random sample of 100 PubMed abstracts. An F1-Score of 92.2% was returned. Of 34,481 study abstracts, almost 40.0% (13,671) had an extracted study design. The most common study design was observational (37.3%; 5101) while experimental research in the form of trials (randomised, non-randomised) was present in 16.9% (2319). Mapped against the current hierarchy of scientific evidence, 13.7% (1874) of extracted study designs could not be categorised. Among the remaining studies, most were observational (17.2%; 2343) followed by systematic reviews (10.5%; 1432) with randomised controlled trials accounting for 8.7% (1196) of studies and meta-analysis for 1.4% (190) of studies.
    CONCLUSIONS: It is possible to extract epidemiological study designs from a large-scale PubMed sample computationally. However, the number of trials, systematic reviews, and meta-analysis is relatively small - just 1 in 5 articles. Despite an increase over time in the total number of articles, study design details in the abstracts were missing. Epidemiological criminology still lacks the experimental evidence needed to address the health needs of the marginalized and isolated population that is prisoners and offenders.
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