Table 1 Basic characteristics
|  | Total (n = 153) | Signal intensity distal to MCA stenosis | P Value (good vs poor) | |||
|---|---|---|---|---|---|---|
| Â | Â | Good | Poor | Â | ||
|  |  | Group A (n = 35) | Total (n = 118) | Group B (n = 58) | Group C (n = 60) |  |
Male | 106(69.3) | 24(68.6) | 82(69.5) | 43(74.1) | 39(65) | 0.917 |
Age*, years | 62.9 ± 13.0 | 66.4 ± 11.9 | 61.9 ± 13.2 | 61.4 ± 13.4 | 62.4 ± 13.1 | 0.073 |
Cerebral infarction | 144(94.1) | 32(91.4) | 112(94.9) | 53(91.4) | 59(98.3) | 0.441 |
Transient ischemic attack | 9(5.9) | 3(8.6) | 6(5.1) | 5(8.6) | 1(1.7) | Â |
Risk factor | Â | Â | Â | Â | Â | Â |
 Hypertension | 106(69.3) | 25(71.4) | 81(68.6) | 42(72.4) | 39(65) | 0.837 |
 Hypercholesterolemia | 75(49.0) | 17(48.6) | 58(49.2) | 31(53.4) | 27(45) | 1.000 |
 Diabetes | 62(40.5) | 13(37.1) | 49(41.5) | 24(41.4) | 25(41.7) | 0.698 |
 Smoking | 72(47.1) | 17(48.6) | 55(46.6) | 28(48.3) | 27(45) | 0.838 |
NIHSS score at admission* | 4.5 ± 3.5 | 4.1 ± 3.6 | 4.6 ± 3.5 | 4.1 ± 3.1 | 5.3 ± 3.9 | 0.435 |
Asymptomatic ICAS | 74(48.4) | 16(45.7) | 58(49.2) | 26(44.8) | 32(53.3) | 0.848 |
Asymptomatic ECAS | 10(6.5) | 3(8.6) | 7(5.9) | 4(6.9) | 3(5) | 0.579 |