Table 3 Risk Factors of ONFH and Conversion to THA
| Patient | Hip | Inhaled Corticosteroid | Smoking Tobacco | Excessive Alcohol Intake | Conversion to THA |
|---|---|---|---|---|---|
| 1 | 1 | – | – | – | Yes |
| 2 (BL) | 2 | – | Yes | – | – |
| 3 | – | Yes | – | – | |
| 3 | 4 | – | – | – | Yes |
| 4 | 5 | – | – | – | – |
| 5 | 6 | – | – | – | – |
| 6 (BL) | 7 | Yes | Yes | – | Yes |
| 8 | Yes | Yes | – | Yes | |
| 7 (BL) | 9 | – | – | – | – |
| 10 | – | – | – | – | |
| 8 | 11 | – | – | – | Yes |
| n (%) | 2 (18.2%) | 4 (36.4%) | 0 (0.00%) | 5 (45.5%) | |