|
Explanatory variable
|
Crude
|
p-value
|
Adjusted HR†
|
p-value
|
|---|
|
Male vs female gender
|
2.74 (1.17, 6.41)
|
0.021
|
1.82 (0.76, 4.40)
|
0.18
|
|
BMI ≥25 vs 18.5–24.9 kg/m2 BMI ≥25 vs. 18.5–24.9 kg/m2
|
1.45 (0.41, 5.09)
|
0.56
|
1.67 (0.44, 6.32)
|
0.45
|
|
BMI < 18.5 vs 18.5–24.9 kg/m2 BMI < 18.5 vs. 18.5–24.9 kg/m2
|
2.78 (0.99, 7.81)
|
0.052
|
2.81 (0.96, 8.25)
|
0.061
|
|
Serum albumin < 3.5 g/dL
|
4.99 (2.00, 12.43)
|
0.0006
|
3.37 (1.28, 8.89)
|
0.014
|
|
CCr < 60 mg/dL
|
3.40 (1.15, 10.06)
|
0.027
|
1.96 (0.63, 6.05)
|
0.25
|
|
ASA physical status classification ≥3
|
3.93 (1.68, 9.21)
|
0.0017
|
2.36 (0.93, 6.01)
|
0.072
|
- †Explanatory variables were selected using p < 0.2 in the univariate analysis for crude hazard ratios. All of the variance inflation factors in the multivariate model for the calculation of adjusted hazard ratios were < 1.22, indicating there was no multicollinearity
- ASA American Society of Anesthesiologists, BMI body mass index, CCr creatinine clearance, CI confidence interval, HR hazard ratio
