Table 1 Clinical information
Factor | Steroid-induced ONFH Cases (N = 94) | Non steroid-induced ONFH Cases (N = 106) | P | |
|---|---|---|---|---|
Gender | Male | 40 | 64 | 0.02 |
Female | 54 | 42 | ||
Age | 40.22 ± 14.78 | 43.09 ± 18.36 | 0.23 | |
Body mass index (BMI, Kg/m2) | 23.01 ± 3.00 | 24.36 ± 2.42 | < 0.001 | |
Affected sides | Unilateral | 15 | -- | |
Bilateral | 79 | -- | ||
Steroid treatment | Oral medication | 74 | 89 | 0.06 |
Intravenous injection | 36 | 71 | ||
Steroid dose | Large (> 400 mg/d) | 34 | 60 | 0.12 |
Middle (> 100 mg/d & < 400 mg/d) | 52 | 40 | ||
Small (< 100 mg/d | 8 | 6 | ||
Treatment duration (days) | 1140.34 ± 2014.037 | 2631.54 ± 8610.278 | 0.10 | |
Underlying diseases (reason for steroid) | Hematologic diseases | 23 | 106 | < 0.001 |
Dermatogic diseases | 9 | 0 | ||
Renal diseases | 9 | 0 | ||
Ophthalmopathy | 6 | 0 | ||
Respiratory disease | 5 | 0 | ||
others | 42 | 0 | ||