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Comparison of patient-controlled dose and remedial analgesic dose between the two groups.
| Group | n | Patient-controlled dose (μg) | Remedial analgesic dose (mg) |
|---|---|---|---|
| ESP-group | 56 | 6.65(4.61,7.53) | 48(38.5,62) |
| TAP-group | 57 | 8.99(5.91,10.74) | 65(51,78) |
| Z | - | -4.003 | -4.035 |
| P | - | <0.001 | <0.001 |
