|
Variable
|
Multivariable model
|
P-value
|
|---|
|
HR (95% CI)
|
|---|
|
CRRT
|
7.69 (6.54, 9.05)
|
< 0.001
|
|
Age, year
|
1.06 (1.05, 1.07)
|
< 0.001
|
|
Sex, Male
|
1.07 (0.95, 1.20)
|
0.258
|
|
Residence at CABG
| | |
|
Capital city Capital city
|
1
| |
|
Other metropolitan city
|
1.00 (0.85, 1.19)
|
0.977
|
|
Other area
|
1.05 (0.91, 1.20)
|
0.525
|
|
Economic status at CABG
| | |
|
Q1
|
1
| |
|
Q2
|
1.07 (0.90, 1.26)
|
0.460
|
|
Q3
|
0.99 (0.83, 1.17)
|
0.880
|
|
Q4
|
0.93 (0.80, 1.09)
|
0.356
|
|
Total hospital bed number
| | |
|
Q1 ≤ 904
|
1
| |
|
905 ≤ Q2 ≤ 1119
|
1.07 (0.93, 1.22)
|
0.369
|
|
1120 ≤ Q3 ≤ 2413
|
0.99 (0.83, 1.17)
|
0.880
|
|
2414 ≤ Q4
|
0.93 (0.80, 1.09)
|
0.356
|
|
Charlson comorbidity index at CABG
| | |
|
0–3
|
1
| |
|
4–5
|
0.98 (0.82, 1.17)
|
0.832
|
|
≥ 6
|
1.22 (1.04, 1.43)
|
0.014
|
|
Urgent or Emergency CABG
|
0.96 (0.83, 1.10)
|
0.521
|
|
Intraoperative CPB use
| | |
|
Off Pump CABG
|
1
| |
|
On Pump CABG
|
1.95 (1.73, 2.19)
|
< 0.001
|
|
The number of coronary artery graft The number of coronary artery graft
| | |
|
1
|
1
| |
|
≥ 2
|
0.69 (0.61, 0.78)
|
< 0.001
|
|
The year of CABG
| | |
|
2012
|
1
| |
|
2013
|
0.98 (0.81, 1.17)
|
0.786
|
|
2014
|
0.86 (0.71, 1.03)
|
0.104
|
|
2015
|
0.83 (0.70, 1.00)
|
0.044
|
|
2016
|
0.83 (0.70, 0.99)
|
0.038
|
|
2017
|
0.78 (0.64, 0.95)
|
0.015
|
- C-index 0.83 (0.81, 0.84)
- CABG coronary artery bypass grafting; HR hazard ratio; CI confidence interval; CRRT continuous renal replacement therapy; CPB cardiopulmonary bypass; CKD chronic kidney disease; RRT renal replacement therapy
