Group | cases | 24 h after surgery | 48 h after surgery | 72 h after surgery |
Control group | 49 | 5.81 ± 1.60 | 6.56 ± 6.94 | 4.57 ± 1.49 |
Observation group | 49 | 5.15 ± 1.50 | 3.93 ± 1.26 | 3.18 ± 1.07 |
T value | - | 2.086 | 2.611 | 5.282 |
P value | - | 0.040 | 0.012 | <0.001 |