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Abstract：
BACKGROUND: The relationship between joint effusion and temporomandibular disorders (TMD) remains unclear. The purpose of this study was to investigate the correlation among joint effusion, clinical features and MRI imaging features of TMD.
METHODS: A total of 1532 temporomandibular joints (TMJs) from 766 patients (605 females and 161 males) with the mean age of 31.68 ± 13.71 years from January 2022 to June 2023 were included in the study. Clinical and MRI features were collected and analyzed. Chi-Square test, Spearman correlation coefficient and binary logistic regression analysis were performed.
RESULTS: Patients with joint effusion were significantly older and had smaller value of MIO (p < 0.001). There were significant differences in the distribution of joint sounds (with or without), joint pain (with or without), disc morphology (biconcave, contracture, irregular and lengthened) and disc position between joint effusion group (JE) and non-joint effusion group (NA) (P < 0.05).The odds of having joint effusion were 1.726 higher in patients with joint sounds when compared to those without joint sounds. The odds of having joint effusion were 8.463 higher in patients with joint pain when compared to those without joint pain. The odds of having joint effusion were 2.277 higher in patients with contracture when compared to those with biconcave. The odds of having joint effusion were 1.740 higher in patients with anterior disc displacement with reduction (ADDWR) when compared to those with normal disc position. The prediction accuracy of this model is 74.9%, and the area under curve (AUC) is 79.5%, indicating that it can be used for the prediction and the judgment effect is average.
CONCLUSIONS: The results demonstrated that joint sounds, joint pain, contracture, and ADDWR are high risk factors for joint effusion, especially joint pain.
BACKGROUND: This study was retrospectively registered on 28/03/2022 and endorsed by the Ethics Committee of Affiliated Stomatology Hospital of Guangzhou Medical University (LCYJ2022014).
METHODS: A total of 1532 temporomandibular joints (TMJs) from 766 patients (605 females and 161 males) with the mean age of 31.68 ± 13.71 years from January 2022 to June 2023 were included in the study. Clinical and MRI features were collected and analyzed. Chi-Square test, Spearman correlation coefficient and binary logistic regression analysis were performed.
RESULTS: Patients with joint effusion were significantly older and had smaller value of MIO (p < 0.001). There were significant differences in the distribution of joint sounds (with or without), joint pain (with or without), disc morphology (biconcave, contracture, irregular and lengthened) and disc position between joint effusion group (JE) and non-joint effusion group (NA) (P < 0.05).The odds of having joint effusion were 1.726 higher in patients with joint sounds when compared to those without joint sounds. The odds of having joint effusion were 8.463 higher in patients with joint pain when compared to those without joint pain. The odds of having joint effusion were 2.277 higher in patients with contracture when compared to those with biconcave. The odds of having joint effusion were 1.740 higher in patients with anterior disc displacement with reduction (ADDWR) when compared to those with normal disc position. The prediction accuracy of this model is 74.9%, and the area under curve (AUC) is 79.5%, indicating that it can be used for the prediction and the judgment effect is average.
CONCLUSIONS: The results demonstrated that joint sounds, joint pain, contracture, and ADDWR are high risk factors for joint effusion, especially joint pain.
BACKGROUND: This study was retrospectively registered on 28/03/2022 and endorsed by the Ethics Committee of Affiliated Stomatology Hospital of Guangzhou Medical University (LCYJ2022014).
摘要：
背景：关节积液与颞下颌关节紊乱病（TMD）之间的关系尚不清楚。这项研究的目的是探讨关节积液之间的相关性，TMD的临床特征和MRI影像学特征。
方法：从2022年1月至2023年6月的766名患者（605名女性和161名男性）的1532名颞下颌关节（TMJs）纳入研究，平均年龄为31.68±13.71岁。收集并分析临床和MRI特征。卡方检验,进行Spearman相关系数和二元logistic回归分析。
结果：关节积液患者明显年龄较大，MIO值较小（p<0.001）。关节声音的分布存在显着差异（有或没有），关节疼痛（有或没有），椎间盘形态(双凹，挛缩,关节积液组（JE）与非关节积液组（NA）之间的不规则和延长）和椎间盘位置（P<0.05）。与没有关节声音的患者相比，有关节声音的患者发生关节积液的几率高1.726。与没有关节痛的患者相比，有关节痛的患者发生关节积液的几率高8.463。与双凹患者相比，挛缩患者发生关节积液的几率高2.277。与椎间盘位置正常的患者相比，前椎间盘移位复位（ADDWR）患者发生关节积液的几率高1.740。该模型的预测精度为74.9%，曲线下面积（AUC）为79.5%，表明它可以用于预测，判断效果是平均的。
结论：结果表明关节声音，关节痛,挛缩,和ADDWR是关节积液的高危因素，尤其是关节痛.
背景：本研究于2022年3月28日进行回顾性注册，并得到广州医科大学附属口腔医院伦理委员会的认可（LCYJ2022014）。
方法：从2022年1月至2023年6月的766名患者（605名女性和161名男性）的1532名颞下颌关节（TMJs）纳入研究，平均年龄为31.68±13.71岁。收集并分析临床和MRI特征。卡方检验,进行Spearman相关系数和二元logistic回归分析。
结果：关节积液患者明显年龄较大，MIO值较小（p<0.001）。关节声音的分布存在显着差异（有或没有），关节疼痛（有或没有），椎间盘形态(双凹，挛缩,关节积液组（JE）与非关节积液组（NA）之间的不规则和延长）和椎间盘位置（P<0.05）。与没有关节声音的患者相比，有关节声音的患者发生关节积液的几率高1.726。与没有关节痛的患者相比，有关节痛的患者发生关节积液的几率高8.463。与双凹患者相比，挛缩患者发生关节积液的几率高2.277。与椎间盘位置正常的患者相比，前椎间盘移位复位（ADDWR）患者发生关节积液的几率高1.740。该模型的预测精度为74.9%，曲线下面积（AUC）为79.5%，表明它可以用于预测，判断效果是平均的。
结论：结果表明关节声音，关节痛,挛缩,和ADDWR是关节积液的高危因素，尤其是关节痛.
背景：本研究于2022年3月28日进行回顾性注册，并得到广州医科大学附属口腔医院伦理委员会的认可（LCYJ2022014）。
