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Table 5: Group dichotomization by ROC-defined CBS threshold of more than 6
Parameter CBS ≤6 (n = 41) CBS >6 P Value
Age, mean ± SD 68 (12) 71 (15) .18
ASPECTS, median (IQR) 6 (3.5–7.5) 9 (6–10) <.0001
Presenting NIHSS score, median (IQR) 18 (14.5–21) 13 (6.25–0.5) .009
Time to scanning (min), mean ± SD 122 ± 63 137 ± 20 .28
Time to rtPA (min), mean ± SD 142 ± 51 142 ± 26 .79
Post-rtPA recanalization (No.) (%) 14 (44%) 20 (71%) .04
Hyperglycemia (No.) (%) 6 (14.6%) 5 (11.4%) .75
Hypertension (No.) (%) 9 (22.0%) 13 (29.5%) .47
CS, median (IQR) 2 (1–2.5) 2.5 (2–3) .005
CBF (cm³), mean ± SD 119 ± 47 78 ± 51 <.0001
CBV (cm³), mean ± SD 49 ± 39 29 ± 35 .003
MTT (c cm³), mean ± SD 119 ± 43 76 ± 51 .0001
rtPA dose (mg), mean ± SD 61 ± 18 60 ± 14 0.21
Final infarct size (cm³), mean ± SD 179 ± 130 58 ± 98 <.0001
mRS, median (IQR) 4 (3–6) 2 (1–5) .002
Parenchymal hemorrhage (No.) (%) 10 (24) 4 (9) .05
Note:—ROC indicates receiver operating characteristic.