Table 1 Comparision of the demographic, socioeconomic, and clinical information between CRRT group and control group
Variable | CRRT (n = 214) | Control (n = 14,901) | P-value |
|---|---|---|---|
Age, year | 69.4 (10.6) | 65.6 (10.2) | < 0.001 |
Sex, Male | 124 (57.9) | 10,951 (73.5) | < 0.001 |
Residence at CABG | 0.768 | ||
Capital city | 45 (21.0) | 3399 (22.8) | |
Other metropolitan city | 38 (17.8) | 2730 (18.3) | |
Other area | 131 (61.2) | 8772 (58.9) | |
Income level at CABG | 0.073 | ||
Q1 | 42 (19.6) | 2679 (18.0) | |
Q2 | 52 (24.3) | 3528 (23.7) | |
Q3 | 32 (15.0) | 3320 (22.3) | |
Q4 | 88 (41.1) | 5374 (36.1) | |
Charlson comorbidity index at CABG | < 0.001 | ||
0–3 | 23 (10.7) | 3264 (21.9) | |
4–5 | 59 (27.6) | 4060 (27.2) | |
≥ 6 | 132 (61.7) | 7577 (50.8) | |
Intraoperative CPB use | < 0.001 | ||
Off Pump CABG | 43 (20.1) | 8011 (53.8) | |
On Pump CABG | 171 (79.9) | 6890 (46.2) | |
The number of coronary artery graft | < 0.001 | ||
1 | 51 (23.8) | 2405 (16.1) | |
≥ 2 | 163 (76.2) | 12,496 (83.9) | |
Total number of hospital bed | < 0.001 | ||
Q1 ≤ 904 | 65 (30.4) | 3723 (25.0) | |
905 ≤ Q2 ≤ 1119 | 70 (32.7) | 3870 (26.0) | |
1120 ≤ Q3 ≤ 2413 | 62 (29.0) | 4547 (30.5) | |
2414 ≤ Q4 | 17 (7.9) | 2761 (18.5) | |
Length of hospital stay for CABG, day | 18.0 (10.6) | 15.5 (7.9) | < 0.001 |
Newly diagnosis of CKD requiring RRT | 17 (7.9) | 431 (2.9) | < 0.001 |
Urgent or Emergency CABG | 34 (15.9) | 2464 (16.5) | 0.800 |
The year of CABG | 0.883 | ||
2012 | 31 (14.5) | 2450 (16.4) | |
2013 | 29 (13.6) | 2183 (14.7) | |
2014 | 37 (17.3) | 2384 (16.0) | |
2015 | 41 (19.2) | 2889 (19.4) | |
2016 | 45 (21.0) | 3168 (21.3) | |
2017 | 31 (14.5) | 1827 (12.3) |