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Comparison of difference in ROM in different CR Knee subgroups (as per PCO).
| Difference in PCO in CR knee | Group 1 ≤ 1 mm | Group 2(1–3)mm | Group 3(>3)mm |
|---|---|---|---|
| Pre op | 111.4 | 105.64 | 104.06 |
| 4weeks | 98.6 | 96.54 | 90.06 |
| 8weeks | 104.8 | 104.61 | 97.12 |
| 3months | 110.2 | 108.39 | 101.88 |
| 1year | 113.4 | 112.07 | 105.06 |
| 2years | 117.6 | 115.93 | 109.06 |
