| Covariates | NIHSS at admission: mild stroke, <=6; NIHSS at admission: moderate stroke, 7-15; NIHSS at admission: severe stroke, >=16; Baseline CT: no early ischemic changes (EICs); Baseline CT: hyperdense middle cerebral artery sign (HMCAS); Baseline CT: other early ischemic changes (EICs); NIHSS 24 hours after treatment: <=2; NIHSS 24 hours after treatment: 3-6; NIHSS 24 hours after treatment: 7-15; NIHSS 24 hours after treatment: >=16; Bleeding on CT 24 hours after treatment; Infarct volume on CT 24 hours after treatment: no infarct; Infarct volume on CT 24 hours after treatment: <40 cm^3; Infarct volume on CT 24 hours after treatment: 40-79 cm^3; Infarct volume on CT 24 hours after treatment: 80-159 cm^3; Infarct volume on CT 24 hours after treatment: >=160 cm^3 |
