Skip to main content

Table 3 Multivariate association between baseline characteristics and short stay (< 36 h) THA

From: Predicting short stay total hip arthroplasty by use of the timed up and go-test

  MODEL 1 Basic variables
OR (95%CI)
p MODEL 2 Basic variables + TUG
OR (95%CI)
p
Age 0.93 (0.92–0.94) 0.000 0.94 (0.93–0.95) 0.000
Sex (male) 2.81 (2.21–3.56)* 0.000 2.57 (2.00–3.30) 0.000
ASA score
 I reference   reference  
 II 0.56 (0.43–0.73) 0.000 0.63 (0.48–0.82) 0.001
 III/IV 0.22 (0.14–0.33) 0.000 0.28 (0.18–0.44) 0.000
TUG X   0.92 (0.89–0.95) 0.000
Nagelkerke’s R2 0.24   0.27  
Hosmer & Lemeshow test, p-value 0.26   0.30  
AUC 0.75 (0.73–0.78)   0.77 (0.75–0.79)  
  1. *p < 0.05, ASA American Society of Anesthesiologists classification, TUG Timed up and go test, OR Odds ratio, CI Confidence interval, AUC Area under the curve