Table 1 Characteristics of study participants*
Variable | Non-AKI group, (n = 18) | AKI group, (n = 9) | P value |
|---|---|---|---|
Demographics | |||
Age (y, mean ± SD) | 57.39 ± 10.91 | 60.33 ± 6.29 | 0.463 |
Female (n, %) | 8 (44.44) | 4 (44.44) | >0.999 |
BMI (kg/m2, mean ± SD) | 23.10 ± 2.94 | 23.93 ± 3.71 | 0.528 |
Smoking (n, %) | 4 (22.22) | 1 (11.111) | 0.636 |
Drinking (n, %) | 4 (22.22) | 1 (11.111) | 0.636 |
Medical history | |||
Hypertension (n, %) | 9 (50.00) | 5 (55.56) | >0.999 |
Diabetes (n, %) | 2(11.11) | 1 (11.11) | >0.999 |
Pulmonary diseases (n, %) | 1 (0.06) | 0 (0) | >0.999 |
Cerebral vascular diseases (n, %) | 0 (0) | 1 (11.11) | 0.333 |
Surgical variables | |||
Cardiac surgical procedure | |||
Valve surgery (n, %) | 5 (27.78) | 3 (33.33) | >0.999 |
CABG + valve (n, %) | 7 (38.89) | 4 (44.44) | >0.999 |
Other cardiac surgery (n, %) | 6 (33.33) | 2 (22.22) | 0.676 |
Duration of surgery (min, median [IQR]) | 298.00 (218.50–370.00) | 327.50 (277.00–423.50) | 0.201 |
CPB time (min, median [IQR]) | 143.00 (92.50–192.50) | 190 (137.00–195.00) | 0.138 |
Duration of hypotension (min, median [IQR]) | 30.00 (17.50–42.05) | 60.00 (22.50–77.50) | 0.160 |
Preoperative laboratory values | |||
ALB (g/L, median [IQR]) | 42.00 (39.20–43.40) | 43.65 (38.68–44.98) | 0.705 |
ALT (g/L, median [IQR]) | 15.00 (7.50–19.00) | 15.50 (10.50–20.75) | 0.596 |
AST (g/L, median [IQR]) | 18.00 (15.00–20.50) | 18.50 (14.25–22.25) | 0.958 |
HGB (g/L, median [IQR]) | 130.00 (116.50–143.50) | 137.00 (126.75–152.50) | 0.176 |
Total ICU stay (h, median [IQR]) | 18.00 (14.50–21.00) | 18.00 (13.50–26.50) | 0.743 |
Total stay in hospital (d, median [IQR]) | 24.00 (20.00–35.00) | 17.00 (14.00–19.50) | 0.429 |
