Table 4.

Overview of predictors of the intercept and slope for pain at rest, pain with activity, and hours per day in pain

Predictors	Pain at rest	Pain with activity	Hours per day in pain
Number of comorbidities			I
Number of days with continuous femoral nerve block	I	I
Average dose of opioids over 4 days	I	I	I
Personal control			I
Emotional response	I	I
Pain at rest, day of surgery	S
Pain with activity, day of surgery		S
Hours per day in pain, day of surgery			S

I = intercept; S = slope.