Table 3.

IRIS stage and substage of per-protocol population at baseline

Iris stage	Creatinine, mg/dL	SUC n = 33	Benazepril n = 35
1	<1.6	0	0
2	1.6–2.8	22	27
3	2.9–5.0	11	8
4	>5.0	0	0

IRIS substage	UP/C value	n = 33	n = 35
1	<0.2	19	8
2	0.2–0.4	12	22
3	>0.4	2	5

IRIS substage	Systolic blood pressure, mm Hg	n = 25	n = 34
1	<140	4	4
2	140–159	15	13
3	160–179	6	13
4	≥180	0	4