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. 2024 Oct 26;12:100348. doi: 10.1016/j.bjao.2024.100348

Table 1.

Patient's baseline characteristics by acute kidney injury. Continuous data described as median (inter-quartile range). All other data described as proportion (percentage). AKI, acute kidney injury; RACHS-1, Risk-Adjusted classification for Congenital Heart Surgery.

All patients (n=179) Non-AKI (105/179, 59%) AKI (74/179, 41%) P-value
Age (months) 9 (3–22) 10 (3–28) 7 (2–14) 0.05
Male sex, n (%) 101 (56) 61 (58) 40 (54) 0.591
Weight (kg) 7 (4.1–9.45) 7.56 (4.94–10.8) 6.28 (3.65–8.42) 0.043
RACHS-1, n (%) 0.051
Risk category 1 4 (2) 4 (3.81) 0
Risk category 2 68 (38) 43 (41.0) 25 (33.8)
Risk category 3 88 (49) 50 (47.6) 38 (51.4)
Risk category 4 15 (8) 7 (6.67) 8 (10.8)
Risk category 5 0 0 0
Risk category 6 4 (2) 1 (0.95) 3 (4.05)
Preoperative haemoglobin (g dl−1) 14.6 (12.9–16.1) 14.7 (12.8–16.35) 14.3 (13.2–15.9) 0.815
Preoperative serum creatinine (mg dl−1) 0.33 (0.25–0.35) 0.33 (0.27–0.35) 0.32 (0.24–0.36) 0.024