Table 4 Comparison of demographics between patients with multifocal and oligofocal ON
From: Evaluation of whole-body modalities for diagnosis of multifocal osteonecrosis—a pilot study
Multifocal ON (N = 12) | Oligofocal ON (N = 34) | P-value | |
|---|---|---|---|
Age, years | 42.6 (12.2) | 48.7 (16.9) | 0.875 |
Sex, male to female | 4:8 | 15:19 | 0.179 |
Steroid use, cases | 12 | 24 | 0.034 |
Steroid pulse therapy, cases | 6 | 9 | 0.135 |
Mean maximum steroid dose, mg | 58.0 (20.1) | 47.5 (15.8) | 0.198 |
Collagen disease, cases | 6 | 15 | 0.725 |
Hematologic disease, cases | 4 | 2 | 0.015 |
Alcohol abuse, cases | 5 | 14 | 0.976 |
Smoking, cases | 6 | 22 | 0.370 |