组别 | 术前4 h | 术后12 h | 术后24 h | 术后48 h |
PCIA组 | 4.01 ± 2.42 | 64.50 ± 4.10 | 81.43 ± 5.89 | 101.26 ± 6.82 |
PCEA组 | 4.23 ± 2.17 | 49.20 ± 3.36 | 57.21 ± 5.26 | 69.52 ± 5.35 |
t值 | 0.37 | 15.81 | 16.80 | 20.06 |
P值 | >0.05 | <0.05 | <0.05 | <0.05 |