Table 2.
Risk Factor | Location of Stenosis | ||||
---|---|---|---|---|---|
ICA (n=119) % (95% CI)† | MCA (n=179) % (95% CI)† | Vertebral (n=107) % (95% CI)† | Basilar (n=112) % (95% CI)† | P-value* | |
Age > 64 | 42(33,51) | 42(35,49) | 51(42,61) | 63(54,72) | 0.0015 |
Female | 34(26,44) | 50(43,58) | 25(17,35) | 33(24,43) | 0.0001 |
Black** | 30(22,39) | 40(32,47) | 27(19,37) | 24(17,33) | 0.0243 |
Qualifying Event Stroke*** | 63(54,72) | 70(63,77) | 56(46,66) | 54(44,63) | 0.0156 |
Diabetes | 50(41,60) | 33(26,40) | 41(32,51) | 29(21,39) | 0.0030 |
Hypertension | 85(77,91) | 83(76,88) | 85(77,91) | 88(81,94) | 0.6130 |
Lipid disorder | 73(64,81) | 64(57,71) | 73(63,81) | 79(70,86) | 0.0540 |
CAD | 32(24,41) | 19(13,25) | 38(29,49) | 27(19,36) | 0.0030 |
Percentage (95% Confidence Interval) of patients with the risk factor or demographic characteristic who have stenosis in the location of the artery of interest.
Chi-square p-value comparing the proportion of risk factor between the location of stenosis.
compared to White or Other.
compared to transient ischemic attack.
CAD = coronary artery disease.