Table 2.

Number (percentage) of underlying disease factors in by pain groups

Variables	Without pain (n=39), n (%)	With pain (n=35), n (%)	P*
Spondylolisthesis	2 (5.1)	4 (11.4)	0.28
Disc herniation	14 (35.9)	19 (54.3)	0.16
Canal stenosis	6 (15.4)	10 (28.6)	0.17
Depression	8 (20.5)	13 (37.1)	0.13
Bipolar disorder	0	2 (5.7)	0.22
Anxiety	13 (33.3)	8 (22.9)	0.31
DM	11 (28.2)	20 (57.1)	0.01
High blood pressure	28 (71.8)	21 (60)	0.24
Dyslipidemia	12 (30.8)	13 (37.1)	0.62
Ischemic heart disease	8 (20.5)	7 (20)	0.95

*Chi-square test. DM=Diabetes mellitus