The relationship between anemia at admission and outcome in patients older than 60 years with hip fracture

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 4 Comparison of severely anemic patients with mildly anemic patients

	Severe anemia^a	Mild anemia^a	P value*
No. of patients	94	172
Gender
Male	20 (213%)	46 (26.7%)	0.3237
Female	74 (78.7%)	126 (73.6%)	0.3237
Age (years)
60–84	34 (36.2%)	91 (52.9%)	0.0089
≥85	60 (63.8%)	81 (47.1%)	0.0089
Preinjury residence
Nursing home or hospital	37 (39.4%)	69 (40.1%)	0.9044
Own home	57 (60.6%)	103 (59.9%)	0.9044
Type of fracture
Femoral neck	13(13.8%)	59 (34.3%)	0.0003
Trochanteric	81 (86.2%)	113 (65.7%)	0.0003
Treatment modality
Operative	83 (88.3%)	152 (88.4%)	0.9856
Nonoperative	11 (11.7%)	20 (11.6%)	0.9856
Preinjury walking ability
Ambulatory	72 (76.6%)	144 (83.7%)	0.1551
Nonambulatory	22 (23.4%)	28 (16.3%)	0.1551
Length of hospital stay	76.7 ± 53.2	65.5 ± 38.8	0.564
Ambulation status at discharge
Ambulatory	42 (44.7%)	88 (51.2%)	0.3120
Nonambulatory	52 (55.3%)	84 (48.8%)	0.3120
In-hospital mortality
In-hospital death	9 (9.6%)	6 (3.5%)	0.0397
Alive at discharge	85 (90.4%)	166 (96.5%)	0.0397

^aSevere anemia was defined as an admission hemoglobin level <10.0 g/dl for men and women. Mild anemia was defined as an admission hemaglobin level between 10.0 and 11.9 g/dl for women and between 10.0 and 12.9 g/dl for men
* Chi-square for independence test, Student’s t-test. Fisher’s exact probability test as appropriate