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Table 1: 
Baseline and clinical data in patients with insufficient-versus-good collateral flow
VariableOverall (n = 39)Good Collaterals (n = 22)Insufficient Collaterals (n = 17)P Value
Age (mean) (SD) (yr)63.3 (13.3)62.8 (15.3)63.9 (10.2).85
Sex (M/F)(22:17)(11:11)(11:6).52
Baseline NIHSS score (median) (IQR)17, 14–1916, 13–1818, 15–20.19
IV tPA (No.) (%)18 (46%)10 (45%)8 (47%).45
Hr to groin puncture from last known well (median) (IQR)6.10, 5.54–7.145.98, 5.67–7.546.08, 5.27–7.10.93
Hr from MRI to groin puncture (median) (IQR)a1.40, 0.80–2.201.10, 0.70–1.751.5, 0.90–2.14.58
  • Note:—IQR indicates interquartile range.
  • ↵a Subset analysis (only available for 20 patients, 13 patients with good collaterals and 7 patients with insufficient collaterals).