Table 4

Variance (SE) and proportion of variance in consultants’ outcomes attributable to the hospital, consultant and patient

Hip replacementKnee replacementHernia repair
Variance (SE)Proportion of varianceVariance (SE)Proportion of varianceVariance (SE)Proportion of variance
PROM*
 Hospital0.61 (0.12)0.8%0.57 (0.10)0.7%0.00006 (0.00002)0.1%
 Consultant1.16 (0.12)1.6%0.79 (0.10)1.0%0.000.0%
 Patient71.89 (0.40)97.0%80.50 (0.44)98.0%0.03 (0.0002)99.9%
Complication
 Hospital0.03 (0.006)0.9%0.02 (0.003)0.6%0.02 (0.006)0.6%
 Consultant0.02 (0.005)0.6%0.02 (0.004)0.6%0.03 (0.009)0.6%
  • *Oxford Hip Score for hip replacement; Oxford Knee Score for knee replacement; EQ-5D for hernia repair.

  • PROM, patient-reported outcome measure.