Table 1

Clinical information of study subjects
Factor Steroid-induced ONFH (+) Cases (N = 94) Steroid-induced ONFH (-) Cases (N = 106) P
Gender
Male 40 64 0.02
Female 54 42
Age (year)
Median (Range) 38.00 (18–82) 44.50 (18–80) 0.23
Mean 40.22 ± 14.78 43.09 ± 18.36
Body mass index (BMI, Kg/m2)
Median (Range) 22.8 (16.9-30.8) 24.45 (18.48-30.12) <0.001
Mean 23.01 ± 3.00 24.36 ± 2.42
Concurrent or past medical history
Hematologic diseases 23 106 <0.001
Dermatogic diseases 9 0
Renal diseases 9 0
Ophthalmopathy 6 0
Diseases of respiratory system 5 0
Others 42 0
Affected
Unilateral 15 - -
Bilateral 79 -
Steroid treatment
Mouth 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 8 6
Days of steroid treatment
Median (Range) 360 (7–9490) 810 (4–79934) 0.10
Mean 1140.34 ± 2014.037 2631.54 ± 8610.278

Note: "Bolded values" refer to the statistically significant data.

Zhang et al.

Zhang et al. Diagnostic Pathology 2013 8:169   doi:10.1186/1746-1596-8-169

Open Data