Table 2.

Underlying etiology of acute kidney injury among patients admitted to pediatric intensive care unit

Underlying Disease Category	KDIGO 1		KDIGO 2		KDIGO 3
	%	95% CI	%	95% CI	%	95% CI
1. Sepsis	32.1	26.2–38.4	32.7	25.7–40.4	40.4	31.3–22.4
2. Hypoxia	18.3	13.7–23.8	18.5	12.9–25.2	10.1	5.0–17.8
3. Heart failure	6.3	3.5–10.1	8.3	4.6–13.6	5.1	1.7–111.4
4. Obstructive uropathy	1.7	0.5–4.2	1.8	0.4–5.1	6.1	2.3–12.7
5. Dehydration	2.9	1.2–5.9	6.6	3.3–11.4	0	0–3.7
6. Glomerulonephritis	1.7	0.5–4.2	1.8	0.4–5.1	8	3.6–15.3
7. Toxic	0.4	0.01–2.3	1.2	0.1–4.2	2	0.3–7.1
8. MOSF	3.3	1.5–6.5	6.6	3.3–11.4	19.2	12.0–28.3
9. TLS	2.9	1.2–5.9	0.6	0.02–3.3	4	1.1–10.0
10. Renal neoplasm	0.4	0.01–2.3	0.6	0.02–3.3	0	0–3.7
11. HUS	0	0–1.5	0	0–2.2	1	0.03–5.5
12. Post-cardiaca	30	24.3–36.2	21.4	15.5–28.4	13.1	7.2–21.4

Abbreviations: KDIGO Kidney Disease Improving Global Outcomes, MOSF Multi-Organ System Failure, TLS Tumor Lysis Syndrome, HUS Hemolytic Uremic Syndrome

Notes: ^apost-cardiac surgery