Time to initiation

启动时间
  • 文章类型: Journal Article
    背景:早期产前检查对于妇女和儿童的最佳护理和健康结果很重要。在研究区,缺乏有关开始产前护理的时间的信息。所以,本研究旨在确定在ArbaMinch镇公共卫生设施分娩的孕妇开始产前护理就诊的时间及其预测因素.
    方法:对432名女性进行了基于机构的回顾性随访研究。采用系统随机抽样技术选择研究参与者。Kaplan-Meier生存曲线用于估计生存时间。拟合了多变量Cox比例风险回归模型,以确定开始产前护理时间的预测因素。使用具有95%置信区间的经调整的风险比评估统计学显著性。
    结果:产前护理开始的中位生存时间为18周(95%CI=(17,19))。城市住宅(AHR=2.67;95%CI=1.52,4.71),妇女的高等教育及以上水平(AHR=1.90;95%CI=1.28,2.81),在先前的妊娠中有妊娠相关的并发症(AHR=1.53;95%CI=1.08,2.16),既往妊娠未接受产前护理(AHR=0.39;95%CI=0.21,0.71)和非计划妊娠(AHR=0.66;95%CI=0.48,0.91)是统计学显著的预测因素.
    结论:一半的妇女在怀孕18周后开始产前护理,这不符合世界卫生组织的建议。城市住宅,妇女的高等教育水平,在以前的怀孕中有妊娠相关的并发症,未进行过产前护理访问和计划外妊娠是开始产前护理时间的预测因素.因此,有针对性的社区外联方案,包括关于农村地区妇女产前护理的教育运动,受教育程度较低的人,并且应该提供以前没有产前护理经验的人,需要提供全面的计划生育服务,以防止计划外怀孕。
    BACKGROUND: Early antenatal care visit is important for optimal care and health outcomes for women and children. In the study area, there is a lack of information about the time to initiation of antenatal care. So, this study aimed to determine the time to initiation of antenatal care visits and its predictors among pregnant women who delivered in Arba Minch town public health facilities.
    METHODS: An institution-based retrospective follow-up study was performed among 432 women. A systematic random sampling technique was employed to select the study participants. The Kaplan-Meier survival curve was used to estimate the survival time. A Multivariable Cox proportional hazard regression model was fitted to identify predictors of the time to initiation of antenatal care. An adjusted hazard ratio with a 95% confidence interval was used to assess statistical significance.
    RESULTS: The median survival time to antenatal care initiation was 18 weeks (95% CI = (17, 19)). Urban residence (AHR = 2.67; 95% CI = 1.52, 4.71), Tertiary and above level of education of the women (AHR = 1.90; 95% CI = 1.28, 2.81), having pregnancy-related complications in a previous pregnancy (AHR = 1.53; 95% CI = 1.08, 2.16), not having antenatal care for previous pregnancy (AHR = 0.39; 95% CI = 0.21, 0.71) and unplanned pregnancy (AHR = 0.66; 95% CI = 0.48, 0.91) were statistically significant predictors.
    CONCLUSIONS: Half of the women initiate their antenatal care visit after 18 weeks of their pregnancy which is not in line with the recommendation of the World Health Organization. Urban residence, tertiary and above level of education of the women, having pregnancy-related complications in a previous pregnancy, not having previous antenatal care visits and unplanned pregnancy were predictors of the time to initiation of antenatal care. Therefore, targeted community outreach programs including educational campaigns regarding antenatal care for women who live in rural areas, who are less educated, and who have no previous antenatal care experience should be provided, and comprehensive family planning services to prevent unplanned pregnancy are needed.
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  • 文章类型: Journal Article
    Non-Vitamin K antagonist oral anticoagulants (NOACs) emerged as an alternative with comparable or superior efficacy and safety to vitamin K antagonists (VKAs) for stroke prevention in patients with non-valvular atrial fibrillation (AF).
    The aim of the current study was to investigate the patterns, predictors, timelines and temporal trends of shifting from VKAs to NOACs.
    In this retrospective observational study, the computerized database of a large healthcare provider in Israel, Maccabi Healthcare Services, was searched to identify patients with AF for whom either a VKA or NOAC was prescribed between 2012 and 2015. Time from diagnosis to therapy initiation and to shifting between therapies was evaluated.
    Out of 6987 eligible AF incident patients, 2338 (33.4%) initiated treatment with a VKA and 2221 (31.7%) with a NOAC. In addition, 5259 prevalent patients were analyzed. During the study period, NOAC prescriptions proportion among the newly diagnosed cases increased from 32 to 68.4% (p for trend <  0.001). The median time from diagnosis to first dispensing was greater in NOAC than VKA and decreased among patients treated with NOAC during the study period (2012: 1.9 and 0.3 months, 2015: 0.7 and 0.2 months, respectively). During follow-up, 3737 (49%) patients (54.3% and 47.1% of the incident and prevalent cases, respectively), shifted from a VKA to a NOAC, after a median of 22 months and 39 months in the incident and prevalent cases, respectively, decreasing throughout the study period. Female gender, younger age, southern district, higher CHADS2 and CHA2DS2-VASC score, non-smoking, and treatment with antiplatelets were associated with a greater likelihood for therapy shift. Shifting from a NOAC to a VKA decreased over time from 8 to 4.5% in 2012 to 0.5% and 0.7% in 2015 in the incident and prevalent groups, p <  0.001 respectively.
    Shifting from VKA to NOAC occurred in 50% of the cases, more frequently among incident cases, and younger patients with greater stroke risk. Shifting from a NOAC to a VKA was much less frequent, yet it occurred more often in incident cases and decreased over time. A socially and economically sensitive program to optimize the initiation of OAC therapy upon diagnosis is warranted.
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  • 文章类型: Journal Article
    UNASSIGNED: The duration and the optimal time to adjuvant chemotherapy (TAC) in locally advanced gastric cancer (LAGC) have net not been sufficiently demonstrated. Sequential adjuvant chemotherapy (AC) after neoadjuvant chemotherapy plus gastrectomy is increasingly utilized, making the question more complicated.
    UNASSIGNED: Data were collected from patients with LAGC who underwent 5-Fu-based doublet regimens as adjuvant treatment after gastrectomy in a single-center database. TAC and duration (cycles) were used to evaluate survival outcomes.
    UNASSIGNED: A total of 816 patients were included. Patients received over six cycles and TAC less than 42 days significantly correlated with better survival (log-rank P trend<0.001). The analysis of TAC and number cycles were separately applied in perioperative chemotherapy (PEC) and postoperative chemotherapy (POC) group using Cox regression. The number of cycles revealed a statistical significance improving OS rate both in POC (HR=0.904, 95% CI=0.836-0.977, P=0.011) and PEC (HR=0.887, 95% CI=0.798-0.986, P=0.026), while only in POC did the TAC show an increasing trend of risk with borderline significance (OS: HR=1.008, 95% CI=0.999-1.018, P=0.094; PFS: HR=1.009, 95% CI=1.000-1.018, P=0.055). A spline model demonstrates the less improvement in survival after cycles of chemotherapy reaching six.
    UNASSIGNED: Our findings suggest that TAC is more likely to downregulate the survival benefit in POC rather than PEC, while overall survival is susceptible to cumulative cycles of chemotherapy in both groups. Furthermore, six cycles of chemotherapy tended to reach the maximum survival benefits. Prospective confirmation is required.
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  • 文章类型: Journal Article
    这项研究检查了胰高血糖素样肽1受体激动剂(GLP-1RA)的起始时间与糖基化血红蛋白(HbA1c)值之间的关系。
    IBMMarketScan数据库用于识别2型糖尿病(T2DM)成人患者,他们开始GLP-1RA治疗,并记录了多个HbA1c结果。GLP-1RA开始的时间由GLP-1RA开始前2年内规定的降糖药种类的数量决定,降糖药物较少,表明GLP-1RA在疾病进展早期启动。配对t检验检查了从前期到2年后的HbA1c值的差异。多变量分析检查了GLP-1RA启动时间与术后HbA1c值之间的关系。
    GLP-1RA的启动与2年内HbA1c值降低0.6%相关(P<0.0001)。最早的开始与HbA1c水平降低1.3%相关(P<0.0001)和达到术后HbA1c水平<7%的最高可能性(赔率比,4.9;95%CI,3.0-8.1)。
    结果表明,尽管GLP-1RA的启动通常与HbA1c水平降低有关,GLP-1RA的早期启动可能会带来额外的临床获益.
    This study examines the relationship between timing of initiation on a glucagon-like peptide-1 receptor agonist (GLP-1 RA) and glycosylated hemoglobin (HbA1c) values.
    The IBM MarketScan databases were used to identify adults with type 2 diabetes mellitus (T2DM) who initiated GLP-1 RA therapy and had multiple recorded HbA1c results. Time to GLP-1 RA initiation was proxied by the number of classes of glucose-lowering agents prescribed in the 2 years before GLP-1 RA initiation, with fewer glucose-lowering agents indicating initiation of a GLP-1 RA earlier in disease progression. Paired t tests examined differences in HbA1c values from preperiod to 2-year postperiod. Multivariable analyses examined the relationship between time to GLP-1 RA initiation and postperiod HbA1c values.
    Initiation on a GLP-1 RA was associated with a 0.6% reduction in HbA1c values over 2 years (P < 0.0001). Earliest starts were associated with a 1.3% reduction in HbA1c levels (P < 0.0001) and the highest likelihood of achieving a postperiod HbA1c level <7% (odds ratio, 4.9; 95% CI, 3.0-8.1).
    Results indicate that although initiation on a GLP-1 RA is generally associated with reduced HbA1c levels, there may be additional clinical benefits associated with earlier initiation of a GLP-1 RA.
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  • 文章类型: Journal Article
    Adjuvant chemotherapy following the curative resection could improve the survival outcome of advanced gastric cancer (GC) patients. However, it is unclear whether delayed initiation of adjuvant chemotherapy had a negative impact on survival outcome in GC patients. The purpose of this study was to review current published literature about the impact of delaying adjuvant chemotherapy on survival outcome and summarize risk factors for delaying adjuvant chemotherapy. Delayed initiation of adjuvant chemotherapy was quite frequent in GC patients who underwent gastrectomy due to postoperative complications, poor nutritional status, comorbid diseases and socioeconomic status. Therefore, it is important for these patients to have a sufficient and smooth transition from surgery to initiation of adjuvant chemotherapy. Based on current available evidence, there is no specific timing interval for the initiation of adjuvant chemotherapy in GC patients. Earlier initiation of adjuvant chemotherapy (<4 weeks) may not be mandatory for GC patients who underwent curative resection. However, the patients should be recommended to receive adjuvant chemotherapy within 6-8 weeks if their performance status and nutritional status were deemed to be appropriate. Minimizing postoperative complications and providing requisite nutritional advice may be helpful for timely initiation of adjuvant chemotherapy.
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  • 文章类型: Journal Article
    Adjuvant chemotherapy(AC) following the curative resection could improve the survival outcome of advanced gastric cancer(GC) patients. However, there is no specific timing interval from radical surgery to initiation of AC. Whether delayed initiation of AC could affect the survival outcome of these patients remains unclear. In this study, we performed a systematic review and meta-analysis to evaluate the relationship between delaying AC and the survival outcome of GC patients.
    PubMed, Embase and Cochrane Library databases were systematically searched for eligible studies that evaluated the relationship between time to AC and survival outcome. Survival data for HR and 95% CI were extracted and converted to a regression coefficient(β) corresponding to a continuous representation per 4-week delay of AC. Individual adjusted β were combined using a fixed-effects or random-effects model. Heterogeneity was assessed by I2 statistic and publication bias was detected using standard error-based funnel plots.
    A total of 11 eligible studies involving 6,017 patients were included in this meta-analysis. Eight studies evaluated the impact of delaying AC on overall survival(OS) and five evaluated the impact of delaying AC on disease-free survival(DFS). The pooled results demonstrated that the initiation of AC per 4-week delay was associated with a significant decrease in OS(HR:1.05, 95% CI: 1.03-1.08, P < 0.001; I2 = 18.5%) and DFS (HR:1.06, 95% CI: 1.02-1.10, P = 0.001; I2 = 40.6%).
    The initiation of AC per 4-week delay was associated with worse survival outcomes in GC patients. If physical status and postoperative recovery were appropriated, GC patients should be recommended to receive adjuvant chemotherapy timely.
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  • 文章类型: Journal Article
    尽管南非推进了十年的艾滋病毒/艾滋病治疗政策,有资格接受抗逆转录病毒治疗(ART)的艾滋病毒感染者(PLHIV)中有20%仍未得到治疗。为南非的通用测试和治疗(UTT)实施提供信息,这个分析描述了利率,新诊断的PLHIV中ART启动的及时性和决定因素。该分析使用了2014年6月1日至2015年3月31日南非三个艾滋病毒高负担地区35个有目的地选择的初级诊所的常规数据。Kaplan-Meier存活曲线估计ART起始率。我们在Stata14.1中使用Cox比例风险和多变量逻辑回归模型确定了ART启动率和及时启动(在资格确定的14天内)的预测因子。根据国家指导方针,6826例患者有资格开始ART。不到一半的男性和非孕妇在14天内接受了ART(男性:39.7.0%,95%CI37.7-41.9;女性:39.9%,95%CI38.1-41.7)。孕妇以更快的速度开始(在14天内:87.6%,86.1-89.0)。ART的启动和及时性因地区而异,设施位置,和年龄,世界卫生组织阶段几乎没有变化,或CD4计数。在南非,新诊断为艾滋病毒的男性和非孕妇有资格接受ART,其ART启动的及时性欠佳。如果治疗启动性能没有得到改善,UTT的实施在男性和非孕妇中具有挑战性。UTT编程应针对地区和位置类别进行调整,以解决影响治疗开始的上下文差异。
    Despite a decade of advancing HIV/AIDS treatment policy in South Africa, 20% of people living with HIV (PLHIV) eligible for antiretroviral treatment (ART) remain untreated. To inform universal test and treat (UTT) implementation in South Africa, this analysis describes the rate, timeliness and determinants of ART initiation among newly diagnosed PLHIV. This analysis used routine data from 35 purposively selected primary clinics in three high HIV-burden districts of South Africa from June 1, 2014 to March 31, 2015. Kaplan-Meier survival curves estimated the rate of ART initiation. We identified predictors of ART initiation rate and timely initiation (within 14 days of eligibility determination) using Cox proportional hazards and multivariable logistic regression models in Stata 14.1. Based on national guidelines, 6826 patients were eligible for ART initiation. Under half of men and non-pregnant women were initiated on ART within 14 days (men: 39.7.0%, 95% CI 37.7-41.9; women: 39.9%, 95% CI 38.1-41.7). Pregnant women initiated at a faster rate (within 14 days: 87.6%, 86.1-89.0). ART initiation and timeliness varied significantly by district, facility location, and age, with little to no variation by World Health Organization stage, or CD4 count. Men and non-pregnant women newly diagnosed with HIV who are eligible for ART in South Africa show suboptimal timeliness of ART initiation. If treatment initiation performance is not improved, UTT implementation will be challenging among men and non-pregnant women. UTT programming should be tailored to district and location categories to address contextual differences influencing treatment initiation.
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  • 文章类型: Journal Article
    We sought to determine the impact of time to initiation (TTI) of post-operative radiosurgery on clinical outcomes for patients with resected brain metastases and to identify predictors associated with TTI. All patients with resected brain metastases treated with postoperative SRS or fractionated stereotactic radiation therapy (fSRT) from 2012 to 2016 at a single institution were reviewed. TTI was defined as the interval from resection to first day of radiosurgery. Receiver operating characteristic (ROC) curves were used to identify an optimal threshold for TTI with respect to local failure (LF). Survival outcomes were estimated using the Kaplan-Meier method and analyzed using the log-rank test and Cox proportional hazards models. Logistic regression models were used to identify factors associated with ROC-determined TTI covariates. A total of 79 resected lesions from 73 patients were evaluated. An ROC curve of LF and TTI identified an optimal threshold for TTI of 30.5 days, with an area under the curve of 0.637. TTI > 30 days was associated with an increased hazard of LF (HR 4.525, CI 1.239-16.527) but was not significantly associated with survival (HR 1.002, CI 0.547-1.823) or distant brain failure (DBF, HR 1.943, CI 0.989-3.816). Fifteen patients (20.5%) required post-operative inpatient rehabilitation. Post-operative rehabilitation was associated with TTI > 30 days (OR 1.48, CI 1.142-1.922). In our study of resected brain metastases, longer time to initiation of post-operative radiosurgery was associated with increased local failure. Ideally, post-op SRS should be initiated within 30 days of resection if feasible.
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  • 文章类型: Journal Article
    BACKGROUND: Surgical resection with S-1 adjuvant chemotherapy (AC) is the standard of care for stage II-III gastric cancer (GC). However, it is unclear if time to initiation and duration of S-1 AC impact on survival.
    METHODS: A multi-institutional GC database identified 498 patients who were treated with S-1 AC after D2 or more extended radical surgery for stage II-III gastric cancer. Patients were divided into four groups according to the interval between surgery and initiation of AC and the duration of AC as follows: group A (n = 226), who received AC earlier (≤6 weeks) and for longer (≥6 months) after surgery; group B (n = 160), who received AC later (>6 weeks) and for longer after surgery; group C (n = 46), who received AC earlier but for a shorter period (<6 months) after surgery; and group D (n = 66), who received AC later and for a shorter period after surgery. Prognostic factors for overall survival (OS) were investigated using multivariate analysis.
    RESULTS: The 5-year OS was 69.5%. Pathological stage II disease (hazard ratio (HR), 0.334; 95% confidence interval (CI), 0.215-0.499), with an OS of 85.8% versus 60.5% for stage III disease, as well as a longer duration (≥6 months) of S-1 (HR, 0.498; 95% CI, 0.355-0.706), with an OS of 74.3% versus 53.0% for a shorter duration (<6 months) of S-1, were identified as significant prognostic factors for long-term survival. Time to initiation was not associated with OS.
    CONCLUSIONS: A duration of S-1 AC of ≥6 months, but not time to initiation within 6 weeks, impacts on OS in stage II-III gastric cancer.
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