TABLE 4.
Hospital for Sick Children muscle grading system in patients with obstetric brachial plexus palsy
| Birth | 3 months | 6 months | 12 months | |||||
|---|---|---|---|---|---|---|---|---|
| Group I | Group II | Group I | Group II | Group I | Group II | Group I | Group II | |
| Shoulder | ||||||||
| Abduction | 3.50 (0.46) | 3.52 (0.51) | 4.07 (0.57)* | 4.01 (0.73)□ | 5.51 (0.50)* | 5.56 (0.50)□ | 6.64 (0.48)* | 6.56 (0.50)□ |
| Flexion | 3.61 (0.49) | 3.65 (0.48) | 5.40 (0.46)* | 5.47 (0.51)□ | 5.43 (0.48)* | 5.48 (0.52)□ | 6.46 (0.42)* | 6.30 (0.47)□ |
| Elbow | ||||||||
| Flexion | 0.56 (0.50) | 0.52 (0.51) | 4.71 (0.64)* | 4.82 (0.77)□ | 5.45 (0.64)* | 5.43 (0.50)□ | 6.38 (0.45)* | 6.39 (0.49)□ |
| Forearm | ||||||||
| Supination | 0.41 (0.50) | 0.43 (0.50) | 2.58 (0.52)* | 2.60(0.49)□ | 5.53 (0.49)* | 5.52 (0.51)□ | 6.30 (0.40)* | 6.34 (0.48)□ |
*
: Statistically significant differences according to the Birth value inner Group I evaluations (p<0.05).
□
: Statistically significant differences according to the Birth value inner Group II evaluations (p<0.05). p>0.05 for each between group evaluations.