Table 2.

All-cause mortality estimates by different eGFR equations using Cox regression models.

	ml/min/1.73 m2	N at risk/N of events	IR (95% CI)	HR (95% CI)
eGFR Creatinine	≥ 60	15,749/4404	5.4 (5.2–5.6)	Ref.
	60–30	4381/2384	14.2 (13.6–14.7)	2.4 (2.3–2.5)
	30–20	1112/744	20.6 (19.2–22.2)	3.4 (3.2–3.7)
	< 20	1246/869	21.8 (20.4–23.3)	3.6 (3.3–3.8)
eGFR Cystatin C	≥ 60	13,271/3200	4.5 (4.3–4.7)	Ref.
	60–30	6103/2974	11.7 (11.2–12.1)	2.4 (2.3–2.6)
	30–20	1526/1027	21.2 (20.0–22.6)	4.1 (3.8–4.4)
	< 20	1588/1200	27.3 (25.8–28.9)	5.0 (4.7–5.4)
eGFR Combined	≥ 60	14,556/3734	4.8 (4.7–5.0)	Ref.
	60–30	5069/2649	13.2 (12.7–13.7)	2.5 (2.4–2.6)
	30–20	1347/902	20.6 (19.3–21.9)	3.7 (3.5–4.0)
	< 20	1516/1116	25.4 (23.9–26.9)	4.4 (4.2–4.8)

IR incidence rate, HR hazard ratio.