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Group differences in ALPS index according to infarct volume and time since stroke onset.
| Variable | ALPS index | P-value | 95% CI |
| Infarct volume (cm3) | 0.004 | 0.038, 0.181 | |
| ≤20 (n = 33) | 1.189 ± 0.133 | ||
| >20 (n = 17) | 1.110 ± 0.094 | ||
| Time since stroke onset (day) | <0.001 | 0.093, 0.215 | |
| ≤14 (n = 32) | 1.108 ± 0.087 | ||
| >14 (n = 18) | 1.259 ± 0.129 |
Data are mean ± SD.
ALPS, analysis along the perivascular space; CI, confidence interval.
