Methods: Both persistent pain disorder patients (n=70) and normal controls (n=60) were measured with DSQ, EPQ, LES, SSRS.

• 方法：持续疼痛障碍组（70例）和正常对照组（60例），入组时填写防御方式问卷(DSQ)、艾森克个性问卷(EPQ)、生活事件量表(LES)及社会支持评定量表(SSRS)。