Table 1. Patient Characteristics
Data are mean ± SD.
Group 1 = epidural top-up with 10 ml ropivacaine, 0.75%; group 2 = epidural top-up with 10 ml normal saline; group 3 = no epidural top-up; NS = not significant.
LBM = lean body mass: LBM (men) = 1.1 × weight − 128 (weight/height)2; LBM (women) = 1.07 × weight − 148 (weight/height)2.
BSA = body surface area = (weight)0.425× (height)0.725× 0.007184.