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Comparison of degree of HO and BL among the current smokers, former smokers and non-smokers
| Current smoker | Former smoker | Nonsmoker | P value | |
|---|---|---|---|---|
| Heterotopic ossification | 24 | 22 | 46 | 0.097 |
| 1 | 0 | 4 | 6 | |
| 2 | 18 | 14 | 34 | |
| 3 | 0 | 4 | 2 | |
| 4 | 6 | 0 | 4 | |
| Bone loss | 22 | 22 | 40 | < 0.001* |
| 1 | 10 | 12 | 39 | |
| 2 | 6 | 9 | 0 | |
| 3 | 6 | 1 | 1 | |
| 4 | 0 | 0 | 0 |
HO heterotopic ossification, BL bone loss. *P < 0.05, statistically significant
