Table.

Mean glomerular filtration rates (ml/min) in normotensive patients with insulin dependent diabetes at baseline, after 8 years’ follow up, and during pause in treatment in captopril and control groups

Patient No	Captopril group				Control group
	Baseline	8 Years	8 Years + pause		Baseline	8 Years	8 Years + pause
1	100	101	120		141	157*	135*
2	129	125	131		156	131	—
3	153	—	—		131	123	—
4	96	75	—		96	39*	47*
5	114	99	122*		87	84	—
6	112	98	116*		132	106*	—
7	105	105*	112*		154	68*	—
8	127	145*	140*		151	143	—
9	140	127	144		150	161	—
10	108	70	102*		117	106	—
11	169	—	—		111	—	—
12	144	120	121		148	144	—
13	117	104	—		118	119	—
14	110	100	97		108	94*	—
15	96	108	—		126	141	—
16	171	151	166		142	168	—
17	164	156	161*		145	130	—
18	128	106	103		146	140	—
19	104	116	105		122	—*	—
20	130	135	146		117	91*	—
21	132	122	128		120	112*	—
22	—	—	—		136	130*	—
23	—	—	—		120	118	—
Mean(SD)	126 (24)	114 (23)	126 (21)		129 (18)	119 (32)†	—

^*Patient developed diabetic nephropathy during 8 years of follow up or during treatment pause. 

^†Difference from baseline significant at P=0.03.