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Comparison of group wise OA grading
| Grade OA | group A (n) | group B (n) | group C (n) | group D (n) | PAB | PBC | PCD | PAD |
|---|---|---|---|---|---|---|---|---|
| I | 11 | 7 | 3 | 1 | 0.15 (NS) | 0.07 (NS) | 0.07 (NS) | 0.87 (NS) |
| II | 5 | 5 | 3 | 0 | ||||
| III | 1 | 1 | 2 | 2 | ||||
| IV | 0 | 1 | 0 | 1 |
(P<0.05 significant level) NS: Non-significant.
