LOS 0 | LOS 1 | P value† | LOS 2–3 | P value* | TKA/Single variable regression | TKA/Multi-variable regression | TKA/PM/Incidence (%)* | ||||||||||
OR | P value | 95% CI | OR | P value | 95% CI | LOS 0 | LOS 1 | P value | |||||||||
Mortality | 0.16 | 0.08 | 0.123 | 0.1 | 0.253 | 2.10 | 0.132 | 0.80 to 5.51 | 1.78 | 0.295 | 0.60 to 5.27 | 0.14 | 0.00 | 0.045 | |||
Unplanned readmission | 2.41 | 2.31 | 0.749 | 2.89 | <0.001 | 1.04 | 0.749 | 0.82 to 1.32 | 1.10 | 0.445 | 0.86 to 1.42 | 2.53 | 2.03 | 0.211 | |||
Major complication | 0.96 | 0.53 | 0.003 | 0.64 | 0.006 | 1.81 | 0.003 | 1.22 to 2.67 | † | 1.94 | 0.001 | 1.29 to 2.92 | † | 0.96 | 0.32 | 0.003 | † |
Any complication excluding transfusion | 2.98 | 1.99 | <0.001 | 2.74 | <0.001 | 1.51 | <0.001 | 1.21 to 1.89 | † | 1.55 | <0.001 | 1.22 to 1.96 | † | 2.92 | 1.53 | <0.001 | † |
Any complication | 4.49 | 2.16 | <0.001 | 6.95 | <0.001 | 2.13 | <0.001 | 1.77 to 2.57 | † | 2.03 | <0.001 | 1.66 to 2.47 | † | 4.42 | 1.85 | <0.001 | † |
Systemic infection | 1.67 | 1.28 | 0.070 | 1.73 | <0.001 | 1.31 | 0.071 | 0.98 to 1.75 | 1.30 | 0.098 | 0.95 to 1.79 | 1.60 | 1.03 | 0.061 | |||
Wound infection | 0.77 | 0.72 | 0.753 | 0.88 | 0.015 | 1.07 | 0.753 | 0.70 to 1.63 | 0.99 | 0.963 | 0.61 to 1.59 | 0.68 | 0.43 | 0.207 | |||
Cardiac/pulmonary complications | 0.67 | 0.37 | 0.009 | 0.44 | 0.023 | 1.84 | 0.010 | 1.16 to 2.94 | † | 1.95 | 0.007 | 1.20 to 3.16 | † | 0.68 | 0.25 | 0.018 | † |
*Propensity score matched 2796 patients per group.
†Indicates significance.
LOS, length of stay.