Table 1.

Baseline Patients’ demographic and disease characteristics

	KDIGO I		KDIGO II		KDIGO III
	Estimate	95% CI	Estimate	95% CI	Estimate	95% CI
Age (mean, months)	47.0	40.5–53.4	45.3	37.4–53.2	38.8	29.1–48.4
Female sex (%)	48.8	41.3–54.2	46.2	38.5–54.0	43.4	33.5–53.8
Saudi Nationality (%)	47.7	41.3–54.2	43.5	35.9–51.3	41.5	31.4–52.1
Creatinine (mean, μmol/L)	33.2	31.9–34.6	31.8	30.3–33.4	31.3	29.4–33.3
Highest Creatinine	56.2	54.3–58.2	80.4	76.2–84.6	270	218–321
GFR (mean, ml/min/1.73 m2)	112	106–117	108	101–114	108	99–116
Lowest GFR	67.5	64.4–70.5	46.2	42.9–49.4	18.3	16.1–20.5
Nephrology referral (%)	14.3	10.2–19.4	53.8	46.0–61.5	93.9	87.3–97.7
Need for ventilatory support (%)	53.7	47.2–60.1	62.1	54.4–69.5	85.9	77.4–92.0
PRISM (mean)	7.9	7.0–8.6	14.3	12.7–15.8	27.7	24.5–30.9