Table 1.
Baseline and procedural characteristics.
| LSA-sign− (n = 34) | LSA-sign+ (n = 64) | p | Logistic regression: aOR (95% CI) derived from backward- likelihood modela | Logistic regression: aOR (95% CI) derived from forward- likelihood modela | |
|---|---|---|---|---|---|
| Age | 73.84 ± 14.4 | 65.4 ± 17.7 | 0.013 | ||
| Sex, female | 50.0% (17) | 62.5% (40) | 0.284 | ||
| Diabetes (n = 96) | 17.6% (6) | 14.5% (9) | 0.771 | ||
| Hypertension (n = 96) | 88.2% (30) | 66.1% (41) | 0.027 | 0.171 (0.046–0.645), p = 0.009 | 0.191 (0.056–0.649), p = 0.008 |
| Atrial fibrillation (n = 96) | 61.8% (21) | 37.1% (23) | 0.032 | ||
| Previous Stroke (n = 96) | 23.5% (8) | 9.7% (6) | 0.077 | ||
| Admission glucose (mg/dl) | 126 (108–158) | 118 (104–135) | 0.166 | ||
| Hemisphere, left | 50.0% (17) | 40.6% (26) | 0.400 | ||
| Baseline NIHSS | 14 (11–17) | 15 (10–18) | 0.716 | ||
| IV rtPA | 76.5% (26) | 65.6% (42) | 0.358 | 0.265 (0.088–0.798), p = 0.018 | 0.350 (0.128–0.958), p = 0.041 |
| Wake-up stroke | 5.9% (2) | 6.3% (4) | 1.000 | ||
| SOTT (min, n = 92) | 220 (167–272) | 210 (161–260) | 0.290 | ||
| Procedure time (min) | 35 (17–67) | 45 (28–79) | 0.759 | ||
| Successful reperfusion (TICI 2b/TICI 3) | 97.1% (33) | 87.5% (56) | 0.156 | ||
| AOL on postinterventional MRA TOF | 3 (3–3) | 3 (3–3) | 0.345 | ||
| Days to postinterventional MRI | 3 (1–6) | 3 (2–4) | 0.461 |
a
Other variables were excluded or not included using the backward/forward likelihood-ratio model supported by SPSS (cf. methods).
SOTT: symptom-onset to treatment time; aOR: adjusted odds ratio; 95% CI: 95% confidence interval; AOL: arterial occlusive lesion scoring system; MRI: magnetic resonance imaging (cf. methods).