Table 1 Patient demographics between the two groups
Variables (mean, 95% CI) | Total (N = 30) | ONFH (N = 6) | Non-ONFH (N = 24) | p-value |
|---|---|---|---|---|
Age (years) | 64.3 (57.3–71.3) | 44.2 (28.3–60.1) | 69.3 (62.7–75.9) | 0.009 |
Female (%) | 63.3% (n = 19) | 66.7% (n = 4) | 62.5% (n = 15) | 0.900 |
BMI (kg/m2) | 21.8 (20.6–23.0) | 22.8 (20.4–25.2) | 21.5 (20.1–23.0) | 0.273 |
BMD (g/cm2) | 0.7 (0.7–0.8) | 0.9 (0.7–1.0) | 0.7 (0.6–0.8) | 0.093 |
Displaced fracture (%) | 30% (n = 9) | 100% (n = 6) | 12% (n = 3) | < 0.001 |
Duration of follow-up (years) | 2.4 (2.2–2.5) | 2.1 (2.0–2.2) | 2.4 (2.3–2.6) | 0.082 |