Progression of atherosclerotic renal artery disease in 126 diseased renal arteries (excluding five with 100% initial occlusion, 25 persistently normal, and 13 withde novo stenosis (10<50%, 3>50%).27 Figures are given as the number of diseased renal arteries in each category with percentage values in parentheses
| % Stenosis on initial angiogram | % Stenosis on sequential angiogram | |||
|---|---|---|---|---|
| 50 | 50–74 | 75–99 | 100 | |
| <50 (n=78) | 54 (69) | 12 (15) | 8 (10) | 4 (5) |
| Mean angiographic interval (months) | 41±0.58 | 36±1.8 | 51±3 | 59±5.4 |
| 50–74 (n=30) | 16 (53) | 11 (37) | 3 (10) | |
| Mean angiographic interval (months) | 29±1.2 | 34±1.7 | 23±7.1 | |
| 75–99 (n=18) | 1 (5) | 7 (39) | ||
| Mean angiographic interval (months) | 21±1.5 | 13±0.8 | ||