| Total (n = 144) | Signal intensity distal to MCA stenosis | P Value (good vs poor) | |||
---|---|---|---|---|---|---|
 |  | Good | Poor |  | ||
 |  | Group A (n = 32) | Total (n = 112) | Group B (n = 53) | Group C (n = 59) |  |
Perforating artery infarctions | 68(47.2) | 18(56.3) | 50(44.6) | 25(47.2) | 25(42.4) | 0.316 |
Cortical infarctions | 78(54.2) | 14(43.8) | 64(57.1) | 32(60.4) | 32(54.2) | 0.228 |
Internal border-zone infarctions | 80(55.6) | 11(34.4)* | 69(61.6) | 31(58.5) | 38(64.4) | 0.008 |