ICA or M1 occlusion, matched for age and LKWT | Pairs | p Value |
---|---|---|
Number of pairs | 34 | |
Age difference (years) | 0±3.2 | |
LKWT to ED arrival difference (min) | ±15.5 | |
NIHSS (median±SD) | <0.001 | |
Collateral grade 0–2 | 20±5.5 | |
Collateral grade 3–4 | 13±6.8 | |
DWI volume on presentation (mL) | <0.001 | |
Collateral grade 0–2 | 37±49 | |
Collateral grade 3–4 | 10±14 | |
LKWT to groin puncture (min) | <0.05 | |
Collateral grade 0–2 | 325±81 | |
Collateral grade 3–4 | 364±178 | |
Final DWI volume (mL) | <0.001 | |
Collateral grade 0–2 | 112±114 | |
Collateral grade 3–4 | 19±25 | |
mRS on discharge | <0.01 | |
Collateral grade 0–2 | 5±1.0 | |
Collateral grade 3–4 | 4±1.7 | |
Length of hospitalization (days) | <0.05 | |
Collateral grade 0–2 | 8±11.5 | |
Collateral grade 3–4 | 6±4.2 |
All values expressed as median±SD.
DWI, diffusion weighted imaging; ED, emergency department; ICA, internal carotid artery; mRS, modified Rankin scores; LKWT, last known well time; NIHSS, NIH stroke scale.