Table 5.
Clinical outcomes of postoperative patients
| Outcomes | All patients (n = 383) | Non-AKI (n = 232) | AKI (n = 151) | P value |
|---|---|---|---|---|
| Duration of mechanical Ventilation, hours | 12(4,68) | 9(2,22) | 36(10,145) | < 0.001 |
| Reintubation, n (%) | 44(11.5) | 21(9.1) | 23(15.2) | 0.064 |
| RRT, n (%) | 21(5.5) | 3(1.3)a | 18(11.9) | < 0.001 |
| ICU mortality, n (%) | 72(18.8) | 31(13.4) | 41(27.2) | 0.001 |
| Hospital mortality, n (%) | 77(20.1) | 33(14.2) | 44(29.1) | < 0.001 |
| ICU length of stay, days | 4(2,9) | 2(1,6) | 8(4,15) | < 0.001 |
| Hospital length of stay, days | 14(9,25) | 12(8,19) | 21(12,34) | < 0.001 |
| Total ICU cost, CNY | 34,038(14,132,77,231) | 20,081(11,415,40,776) | 60,909(34,338,126,413) | < 0.001 |
| Total Hospital cost, CNY | 98,793(59,651,173,582) | 80,639(50,722,126,803) | 151,384(87,973,223,422) | < 0.001 |
aThere are 3 patients who had AKI 7 days after surgery need to receive renal replacement therapy (RRT). Continuous variables were expressed as mean ± SD or median (25th percentile–75th percentile, IQR); Categorical variables were expressed as a number (%)
Abbreviations: AKI Acute Kidney Injury, CNY Chinese Yuan, ICU Intensive Care Unit, IQR Interquartile Range, RRT Renal Replacement Therapy, SD Standard Deviation