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目的:探讨应激障碍(SD)患者的病理心理特征及MMPI-PK量表的评估效果。方法:实验组为43名入院治疗的SD患者,以44名适应良好的创伤幸存者为对照,均完成MMPI-2测试。结果:SD患者的PK分数显著高于对照组;不同性别、创伤经历和诊断分类的SD患者的PK分数无显著差异;最佳截断点为原始分17分,PK量表评估SD的灵敏度为94.9%,特异度为66.7%。结论:SD患者和创伤幸存者的病理心理表现明显不同,PK量表可较好的评估创伤后的应激失常症状,但假阳性率较高。
Objective: To investigate the pathological and psychological characteristics of patients with stress disorder (SD) and the assessment of MMPI-PK scale. Methods: The experimental group of 43 SD patients admitted to hospital, with 44 well-adapted trauma survivors as controls, completed the MMPI-2 test. Results: The PK score of SD patients was significantly higher than that of the control group. There was no significant difference in PK score among SD patients with different gender, trauma experience and diagnostic classification. The best cutoff point was 17 points, and the sensitivity of PK was 94.9 %, Specificity was 66.7%. Conclusion: The pathological and psychological manifestations of SD patients and traumatic survivors are obviously different. PK scale can better assess the post-traumatic stress disorder symptoms, but the false positive rate is higher.