| Classification of Non-union | Grades |
|
|
| Total |
| Excellent | Good | Fair | Poor |
| |
| Atrophic | 6 | 21 | 1 | 0 | 28 (62.2%) |
| Oligotrophic | 1 | 8 | 1 | 0 | 10 (22.2%) |
| Hypertrophic | 0 | 5 | 1 | 1 | 7 (15.6%) |
| Total | 7 (15.6%) | 34 (75.5%) | 3 (6.7%) | 1 (2.2%) | 45 |