Table 3.
Functional Outcomes of Single Versus Double Nerve Transfer for Shoulder Function
| Shoulder Function | Single Nerve (n = 22) | Double Nerve (n = 29) | P Value |
|---|---|---|---|
| Shoulder abduction | |||
| Mean MMT, SD | 3.7, 0.8 | 3.8, 0.6 | 1.0∗ |
| 95% CI | 3.4–4.0 | 3.3–3.9 | |
| ≥M3 (%) | 20/22 (91) | 29/29 (100) | .6† |
| ≥M4 (%) | 15/22 (68) | 20/29 (69) | .2† |
| Mean ROM | |||
| Degrees, SD | 97, 53 | 99, 52 | .8∗ |
| 95% CI | 74–120 | 79–119 | |
| Shoulder external rotation | |||
| Mean MMT, SD | 3.1, 1.1 | 3.4, 0.8 | .3∗ |
| 95% CI | 2.6–3.6 | 3.1–3.7 | |
| ≥M3 (%) | 19/22 (86) | 27/29 (93) | .4† |
| ≥M4 (%) | 8/22 (36) | 15/29 (52) | .2† |
| Mean ROM | |||
| Degrees, SD | 58, 40 | 69, 35 | .5∗ |
| 95% CI | 40–76 | 55–82 |
∗
Kruskal-Wallis test (significance at P < .05).
†
One-tailed Fisher exact test (significance at P < .05). 95% CI, 95% confidence interval; MMT, manual muscle testing.