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Table 1 Characteristics of the sample of 1021 patients with osteoarthritis of the hip joint who were hospitalized for total hip replacement surgery or related procedures between January 1 and October 31, 2000

From: Body mass indices in patients with disabling hip osteoarthritis

Characteristic Subgroup Value
Age (years) Whole group 66.09 ± 12.70
  Males 62.83 ± 12.55**
  Females 67.38 ± 13.00
Gender (no.) Males 435
  Females 586
Side affected (no.) Left 451
  Right 507
Procedure (no.) Unilateral hip replacement 781
  Bilateral hip replacement 55
  Reimplantation of prosthesis 16
  Removal of prosthesis 27
  Revision of prior prosthetic surgery 134
  Debridement 3
  Relocation of prosthesis 4
  Second removal 1
BMI (kg/m2) Whole group 27.63 ± 5.78
  Left side affected 28.02 ± 6.25*
  Right side affected 27.28 ± 5.28
  Males 28.77 ± 5.16**
  Females 26.70 ± 5.93
  Healthy group 26.98 ± 4.48***
  Comorbid group 27.75 ± 5.92
  Those having reimplantations 31.21 ± 5.65
Health status (%) Free of other disease 10
  With comorbid disease(s) 90
  1. Values are shown as mean ± 1 SD unless otherwise indicated. BMI = body mass index. *P = 0.049, **P = 0.000, ***P = 0.007.