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Table 2 Clinical outcomes for patients by operation

From: Total hip arthroplasty versus hemiarthroplasty for independently mobile older adults with intracapsular hip fractures

  Hemiarthroplasty Total hip arthroplasty P
Primary outcomes
 Dislocation (12 months) 57 (0.9%) 96 (1.6%) 0.002a
  THA sub-distribution hazard ratio 1.73 (CI 1.24 to 2.41)b
 Revision (12 months) 106 (1.7%) 67 (1.1%) < 0.001a
  THA sub-distribution hazard ratio 0.66 (0.48 to 0.90)b
 Mortality (12 months) 58 (5.5%) 159 (2.6%) < 0.001a
  THA hazard ratio 0.45 (95% CI 0.37 to 0.54)c
Secondary outcomes
 Surgical delay (hours)d 22.2 (17.8–29.0) 23.9 (18.9–40.6) < 0.001e
 Length of stay (days)d 10 (7–15) 9 (7–13) < 0.001e
  THA predicted mean difference − 1.92 (95% CI −2.30 to −1.55) daysf
 Discharge home 5017 (80.7%) 5519 (88.6%) < 0.001a
  THA adjusted odds ratio 1.77 (95% CI 1.58 to 1.99)g
 Re-admission (30-days) 361 (5.9%) 356 (5.8%) 0.847a
  THA adjusted odds ratio 0.96 (95% CI 0.82 to 1.11)g
  1. aChi2 test; bCompeting risks regression model; cRoyston-Parmar flexible parametric model; dMedian (interquartile range); eKruskall-Wallis one-way analysis of variance; fPredicted mean difference from a generalized linear model; gMultivariable logistic regression model