Table 1.
Characteristics of patients with good and poor outcome.
| Variables | Poor outcome n = 36 | Good outcome n = 45 | U/χ2 | P |
|---|---|---|---|---|
| Age, median [IQR] | 81.00(72.25,84.00) | 71.00(61.50,81.50) | 499.50 | 0.003 |
| Male, n (%) | 15(41.70) | 26(57.80) | 2.08 | 0.150 |
| Baseline NIHSS score, median [IQR] | 15.50(11.25,21.00) | 10.00(6.00,15.00) | 421.00 | <0.001 |
| IV-tPA, n (%) | 8(22.20) | 14(31.10) | 0.80 | 0.371 |
| Atrial fibrillation, n (%) | 23(63.90) | 17(37.80) | 5.46 | 0.020 |
| Hypertension, n (%) | 31(86.10) | 33(73.30) | 1.97 | 0.161 |
| Diabetes mellitus, n (%) | 17(47.20) | 12(26.70) | 3.68 | 0.055 |
| Dyslipidemia, n (%) | 16(44.40) | 15(33.30) | 1.05 | 0.307 |
| Smoking, n (%) | 10(27.80) | 16(35.60) | 0.56 | 0.456 |
| Previous stroke, n (%) | 15(41.70) | 9(20.00) | 4.50 | 0.034 |
| Coronary disease, n (%) | 19(52.80) | 14(31.10) | 3.89 | 0.049 |
| Anticoagulant, n (%) | 3(8.30) | 5(11.10) | 0.17 | 0.677 |
| ASPECTS,median [IQR] | 6.50(3.00,8.00) | 8.00(6.00,8.00) | 636.00 | 0.094 |
| Clot burden score, median [IQR] | 4.00(0.00,7.00) | 6.00(2.00,9.00) | 626.50 | 0.076 |
| Tan score on sCTA, median [IQR] | 0.00(0.00,1.75) | 1.00(0.00,2.00) | 681.00 | 0.187 |
| Tan score on tMIP CTA, median [IQR] | 1.00(1.00,2.00) | 3.00(2.00,3.00) | 322.00 | <0.001 |
| Recanalization, n (%) | 28(77.80) | 41(91.10) | 2.82 | 0.053 |
| FIV (mL), median [IQR] | 98.97(44.37,223.85) | 16.25(4.79,46.63) | 275.00 | <0.001 |
| tMIP CTA VCCq, median [IQR] | 0.53(0.34,0.71) | 0.97(0.91,1.06) | 112.00 | <0.001 |
| sCTA VCCq, median [IQR] | 0.44(0.33,0.55) | 0.63(0.48,0.81) | 389.00 | <0.001 |
| IC volume (ml), median [IQR] | 89.41(52.00,134.06) | 90.06(49.07,140.51) | 713.00 | 0.724 |
| IP volume (ml), median [IQR] | 26.99(10.41,47.56) | 72.58(13.95,145.23) | 440.00 | 0.002 |
| Mismatch ratio, median [IQR] | 1.83(0.66,4.44) | 3.65(2.01,6.67) | 450.50 | 0.003 |
IQR, interquartile range; NIHSS, National Institutes of Health Stroke Scale; ASPECTS, Alberta Stroke Program Early CT Score; SD, standard deviation; IV-tPA, intravenous recombinant tissue-type plasminogen activator; FIV, final infarct volume; tMIP CTA, time maximum intensity projection computed tomography angiography; sCTA, single-phase computed tomography angiography; tMIP CTA VCCq, quantitative measurement of vascular volume ratio on tMIP CTA; sCTA VCCq, quantitative measurement of vascular volume ratio on sCTA; IC, ischemic core; IP, ischemic penumbra.