Table 1 Baseline characteristics of patients
Characteristics | PG | CG | P-value |
|---|---|---|---|
n (%) | n (%) | ||
Age, years | 0.870 | ||
< 46 | 34(44.7) | 33(43.4) | |
≥ 46 | 42(55.3) | 43(56.6) | |
Gender | 0.744 | ||
Male | 43(56.6) | 41(53.9) | |
Female | 33(43.4) | 35(46.1) | |
BMI, kg/m2 | 0.940 | ||
< 18.5 | 8(10.5) | 8(10.5) | |
18.5–24.9 | 42(55.3) | 40(52.6) | |
≥ 25 | 26(34.2) | 28(36.9) | |
Opioid medications used for IV-PCA | 1.000 | ||
Hydromorphone | 23(30.3) | 23(30.3) | |
Sufentanil | 28(36.8) | 28(36.8) | |
Fentanyl | 25(32.9) | 25(32.9) | |
Educational attainment | 0.840 | ||
Senior high school or below | 15(19.7) | 16(21.1) | |
College or above | 61(80.3) | 60(78.9) |