Table 5 Comparison of distribution/type/stability of RAP within right renal artery lesion group
|  | R1 group (n = 55) | R2 group (n = 33) | t-value | p-value |
|---|---|---|---|---|
Distribution | ||||
 Proximal | 41(74.6%) | 22(66.7%) | 5.3 | 0.15 |
 Middle | 11(20.0%) | 10(30.3%) |  |  |
 Diatal | 2(3.6%) | 1(3.0%) |  |  |
 Diffuse | 1(1.8%) | 0 |  |  |
Type | ||||
 Calcified plaque | 8(14.5%) | 4(12.1%) | 1.95 | 0.38 |
 Non-calcified plaque | 30(54.5%) | 19(57.6%) |  |  |
 Mixed plaque | 17(31.0%) | 10(30.3%) |  |  |
Stability | ||||
 Stable plaque | 25(45.5%) | 14(42.4%) | 0.08 | 0.78 |
 Unstable plaque | 30(54.5%) | 19(57.6%) |  |  |