Table 4

Odds ratios (95% confidence interval) for death and readmission by intervention, adjusted for age, sex, deprivation fifth, and comorbidity

Outcome
Death in hospitalDeath in hospital within 30 days of admissionEmergency readmission within 28 days
Intervention:
No procedure3.33 (3.15 to 3.51)4.50 (4.25 to 4.77)1.35 (1.24 to 1.46)
Other procedure1.96 (1.81 to 2.12)2.28 (2.09 to 2.49)1.05 (0.94 to 1.17)
Replacement1.02 (0.98 to 1.06)0.99 (0 95 to 1.04)1.02 (0.97 to 1.06)
Fixation111
Delay in operation*
>1 day v ≤1 day1.27 (1.23 to 1.32)1.25 (1.19 to 1.31)1.04 (0.99 to 1.08)
>2 days v ≤2 days1.43 (1.37 to 1.49)1.36 (1.29 to 1.43)1.04 (0.99 to 1.10)
  • * Replacement or fixation only.