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Table 3 Risk factors for knee arthroplasty modelled by logistic regression in the TKR proband sibling cohort.

From: Hip joint replacement surgery for idiopathic osteoarthritis aggregates in families

Factor P values
  Ignoring sibling correlations Allowing sibling correlations
Age <0.001* <0.001*
Sibling with knee arthroplasty >0.5 >0.5
Prior personal history of hip replacement <0.001* <0.001*
Female sex 0.009* 0.008*
  1. *Statistically significant findings. TKR, total knee replacement.