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

Wang et al.

Wang et al. Diagnostic Pathology 2013 8:186   doi:10.1186/1746-1596-8-186

Open Data