Table 4. Summary of movements with a statistically significant difference relative to the contralateral side, taking into consideration dominance and the operated side. Wilcoxon test, with Z>1.96 and level of significance 5%.
| Dominance | Surgery | |||||
|---|---|---|---|---|---|---|
| Movements | Group ML (n=16) | Group M (n=14) | Group ML (n=16) | Group M (n=14) | ||
| Dominant operated < contralateral (n=7) | Non-dominant operated < contralateral (n=9) | Dominant operated > contralateral (n=6) | Non-dominant operated < contralateral (n=8) | Side operated < contralateral | Side operated < contralateral | |
| Flexion of the shoulder | Z=2.37 p=0.009 | – | – | – | Z=2.71 p=0.003 | Z=2.17 p=0.015 |
| Extension | – | – | – | – | – | – |
| Adduction | – | – | – | – | – | – |
| Abduction | – | Z=2.31 p=0.01 | – | – | Z=2.33 p=0.01 | Z=1.98 p=0.005 |
| Internal rotation | Z=2.37 p=0.009 | – | – | – | – | – |
| External rotation | – | Z=2.67 p=0.004 | – | – | Z=2.90 p=0.002 | Z=1.98 p=0.005 |
| Flexion of the elbow | – | – | – | – | – | – |
| Extension of the elbow | – | – | – | – | Z=2.41 p=0.008 | – |
| Pronation | – | – | – | – | – | – |
| Supination | – | – | – | – | – | – |
| Flexion of the wrist | – | Z=2.43 p=0.008 | Z=2.20 p=0.014 | – | – | – |
| Extension of the wrist | Z=2.37 p=0.009 | – | – | – | – | – |
| Radial deviation | – | – | – | – | – | – |
| Ulnar deviation | Z=2.20 p=0.014 | – | – | – | – | – |
ML: post-mastectomy patients with lymphedema; M: post-mastectomy patients without lymphedema.