Table 3 Significant factors for anemia at admission identified by multivariate analysis (R² = 0.135)

Age (≥85 years)

2.24 (1.38–3.64)

0.0011

Preinjury residence (nursing home or hospital)

0.98 (0.56–1.70)

NS

Type of fracture (trochanteric)

3.77 (2.37–6.02)

<0.0001

Ambulation status at discharge (nonambulatory)

2.12 (1.23–3.64)

0.0067

In-hospital mortality (in-hospital death)

0.30 (0.04–2.46)

NS