Table 1 Demographic characteristics of patients
| Parameter | Numerical value | Statistics |
|---|---|---|
| Gender | ||
| male | 39 | |
| female | 8 | |
| Age(y) | 38.3 ± 7.5 | |
| BMI (kg/m2) | 25.9 ± 2.9 | |
| 25(OH)D (nmol/L) | 39.6 ± 17.9 | |
| CTX (ng/mL) | 0.828 ± 0.418 | |
| Etiology | ||
| Alcoholic | 21 | |
| Hormonal | 13 | |
| Idiopathic | 13 | |
| ARCO stage | ||
| ARCO IIB | 10 | |
| ARCO IIC | 14 | |
| ARCO IIIA | 23 | |
| Follow up time (month) | 44.6 ± 10.0 | |
| Operative time (min) | 116.70 ± 14.19 | |
| Intraoperative blood loss (ml) | 220.64 ± 75.63 | |
| Harris hip score | ||
| Preoperative | 64.45 ± 2.93 | P < 0.001 |
| Postoperative | 76.29 ± 10.38 | |