Paired t test analyzing medication from postoperative days 0–14 for oral opioids,* comparing spinal and general anesthesia for single-bundle and double-bundle operations
Operation | Group; mean ± SD | Mean difference (95% CI)† | p value | |
---|---|---|---|---|
Spinal anesthesia | General anesthesia | |||
Double-bundle | 3.1 ± 2.5 | 3.9 ± 2.5 | 0.88 (0.62 to 1.12) | < 0.001 |
Single-bundle | 2.9 ± 2.1 | 2.7 ± 2.1 | −0.18 (−0.43 to 0.06) | 0.13 |