Table 1 Proband, spouse, and sibling characteristics
From: Hip joint replacement surgery for idiopathic osteoarthritis aggregates in families
Participants | Number | Sex (female/male ratio) | Mean age (female/male [SD]) | Mean BMI (female/male [SD]) |
|---|---|---|---|---|
THR probands | 635 | 384/251 (1.5) | 69.4 (9.2)/66.9 (11.4) | 28.8 (6.3)/28.5 (3.6)* |
TKR probands | 486 | 344/142 (2.5) | 69.8 (9.1)/71.1 (8.1) | 30.3 (6.9)/28.5 (2.8)* |
Spouses | 787 | 290/497 (0.6) | 67.2 (9.0)/69.6 (9.1) | - |
Siblings combined | Â | Â | Â | Â |
   THR proband siblings | 1,533 | 775/758 (1.0) | 67.1 (12.2)/66.1 (11.5) | - |
   TKR proband siblings | 1,208 | 639/569 (1.1) | 67.3 (11.2)/65.9 (26.5) | - |
   Spouse siblings | 1,900 | 968/932 (1.0) | 68.2 (11.4)/66.22 (11.17) | - |
Siblings with hip replacement | Â | Â | Â | Â |
   THR proband siblings | 57 (3.7%) | 30/27 (1.1) | 72.4 (10.2)/72.2 (8.5) | - |
   TKR proband siblings | 24 (1.9%) | 15/9 (1.6) | 72.2 (9.6)/74.5 (12.3) | - |
   Spouse siblings | 24 (1.3%) | 14/10 (1.4) | 74.2 (9.07)/73.7 (9.47) | - |
Siblings with knee replacement | Â | Â | Â | Â |
   THR proband siblings | 22 (1.4%) | 9/13 (0.7) | 76.55 (7.03)/73.69 (8.3) | - |
   TKR proband siblings | 46 (3.8%) | 27/19 (1.4) | 72.7 (9.3)/72.3 (10.7) | - |
   Spouse siblings | 25 (1.3%) | 18/9 (2.0) | 75.4 (8.5)/68.5 (10.7) | - |
Siblings with no replacement | Â | Â | Â | Â |
   THR proband siblings | 1,454 | 730/724 (1.0) | 67.7 (11.4)/66.3 (26) | - |
   TKR proband siblings | 1,138 | 597/541 (1.1) | 66.7 (11.4)/65.5 (26) | - |
   Spouse siblings | 1,851 | 937/914 (1.0) | 68.1 (11.4)/66.1 (11.2) | - |