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. 2015 Aug;58(4):257–263. doi: 10.1503/cjs.017714

Table 2.

Demographic characteristics of pre- and postintervention groups

Characteristic Group; mean ± SD* p value
Preintervention, n = 3535 Postintervention, n = 3007
Sex, % female 72.1 70.6 0.18
Age, yr 81.5 ± 9.9 81.4 ± 10.4 0.75
 Men 78.6 ± 10.9 79.0 ± 10.8 0.49
 Women 82.6 ± 9.2 82.4 ± 10.1 0.53
Femoral neck fracture, % 50.6 51.8 0.28
Arthroplasty, % 35.5 38.1 0.035
Patients with ≥ 1 preadmission comorbidities, % 34.9 39.8 < 0.001

SD = standard deviation.

*

Unless otherwise indicated.