Table 6 Range of motion data from physical therapy notes (Dataset 3) for the 966 patients separated by age
| Â | Age | ||||||
|---|---|---|---|---|---|---|---|
 ≤ 20 | 21–30 | 31–40 | 41–50 | 51–60 | 61–70 |  ≥ 71 | |
n | 45 | 43 | 78 | 157 | 398 | 241 | 4 |
Initial flexion (°) | 82.3 | 81.0 | 79.6 | 83.4 | 86.1 | 88.0 | 85.0 |
Last recorded flexion (°) | 116.8 | 119.4 | 112.6 | 109.6 | 109.2 | 110.4 | 117.5 |
Flexion gain (°) | 34.6 | 38.4 | 33.0 | 26.2 | 23.1 | 22.4 | 32.5 |
Days between delivery and last recorded flexion (days) | 40.9 | 49.2 | 50.7 | 49.1 | 46.1 | 43.9 | 34.0 |