Table 3.

Variables independently associated with PCS scores using multiple linear regression analysis (R = 0.56 R2 = 0.32)

VariableParameter EstimateT ValueP
Education level7.53 + 1.854.1< 0.001
Pain medication use-7.44 + 2.95-2.50.013
BMI (kg/m2)-0.47 + 0.14-3.30.001
Pulse pressure (mmHg)-0.25 + 0.10-2.50.015
Age (yrs)-0.17 + 0.08-2.10.034