METHODS: Participants in this case-control study included 162 older adults (> or =65) with CLBP and an age and gender matched pain-free group of 158 people.

• 方法：162名合并慢性腰痛的老年人（年龄大于等于65岁）以及年龄和性别匹配的158名无腰痛的老年人纳入研究。