Table 5.

Multivariate analysis of predictors for CPSP at 6 months. CPSP Chronic postsurgical pain.

Variables	OR	95% CI	P value
Gender
Male	Reference
Female	4.80	1.16–19.91	0.0305
Preoperative anxiety
No	Reference
Yes	5.28	1.59–17.54	0.0067

Adjusted for gender, age, BMI, occupation status, education level, marital status, smoking, alcohol drinking, hypertension, diabetes, coronary heart disease, ASA physical status, preoperative chronic pain, previous surgery, site of surgery, type of surgery, duration of surgery, MME consumption, number of drainage tube, tube retention time ,length of hospital stay, malignant tumor, preoperative anxiety, preoperative depression, expected postsurgical pain intensity, SFQ-s, SFQ-l, and trajectory model.