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Table 1 Baseline characteristics of C and D group

From: Effects of delayed hip replacement on postoperative hip function and quality of life in elderly patients with femoral neck fracture

  C group D group P value a
Patients (number) 47 47
Demographics
 Age (years) 70.6 ± 8.1 73.0 ± 7.0 0.124
 Female (%) 36.0 34.0 0.829
 BMI
(body mass index: kg/m2)
21.68 ± 2.46 21.88 ± 1.78 0.655
 Surgical delay time (days) 2.9 ± 1.8 115.1 ± 51.1 <0.001
Surgery methods (number)
 Femoral head replacement 27 (57.4%) 31 (66.0%) 0.396
 Total hip replacement 20 (42.6%) 16 (34.0%)
Charlson’s comorbidities index 3.1 ± 1.1 3.3 ± 1.0 0.352
  1. a Independent-Samples t-test was used for analyzing differences between means. The Chi-square test was used for analyzing differences between proportions