Table 1.
Single-bundle versus double-bundle self-reported mean VAS pain scores
| Postoperative time | Group; mean ± SD VAS score* | Mean difference† (95% CI) | p value | |
|---|---|---|---|---|
| Single-bundle, n = 88 | Double-bundle, n = 41 | |||
| 1 h | 2.0 ± 2.2 | 36.1 ± 29.6 | −34.1 (−40.3 to −27.8) | < 0.001 |
| Day 0, pm | 29.6 ± 22.1 | 32.4 ± 21.3 | −2.8 (−11.0 to 5.4) | 0.50 |
| Day 1, am | 31.2 ± 25.2 | 34.5 ± 20.2 | −3.3 (−12.2 to 5.6) | 0.46 |
| Day 1, pm | 43.7 ± 23.0 | 49.3 ± 21.0 | −5.6 (−14.0 to 2.8) | 0.19 |
| Day 2, am | 38.0 ± 24.2 | 43.7 ± 24.3 | −5.7 (−14.8 to 3.4) | 0.22 |
| Day 2, pm | 33.8 ± 21.9 | 34.8 ± 20.2 | −1.0 (−9.0 to 7.0) | 0.81 |
| Day 7 | 27.1 ± 21.5 | 26.2 ± 19.3 | 0.9 (−6.9 to 8.7) | 0.82 |
| Day 14 | 13.4 ± 15.6 | 12.2 ± 11.4 | 1.2 (−4.2 to 6.6) | 0.66 |
CI = confidence interval; SD = standard deviation; VAS = visual analogue scale.
*
VAS score: no pain = 0; worst pain possible = 100.
†
Single-bundle minus double-bundle.