Table 2 Patient demographic characteristics. BMI, Body mass index; JIC, Japanese Investigation Committee
Demographics | Values |
|---|---|
Gender (male:female) | 22:12 |
Age (year) | 22.18 ± 5.89(12–30) |
BMI (kg/m.2) | 20.44 ± 3.19 |
JIC classification (hips) | |
  Type C1 | 7 |
  Type C2 | 31 |
  Operation time (min) | 128.16 ± 33.195(100–180) |
  Blood (ml) | 287.11 ± 99.374(200–500) |
  Follow-up time (month) | 40.77 ± 15.87(22.33–74.07) |
  THA | 3 |
  Death | 1 |
Etiology(hips) | |
  Trauma | 10 |
  Steroid | 16 |
  Alcohol | 9 |
  Idiopathic | 3 |
Collapse degree (hips) | |
  ≤ 2 mm | 16 |
  2-4 mm | 14 |
  > 4 mm | 8 |
Lesion size (hips) | |
  < 15% | 3 |
  15–30% | 24 |
  > 30% | 11 |