Table 1 NIHSS scale score distribution at 24 h, according to baseline data, in the derivation cohort (n = 123).
From: NIHSS mismatch as a predictor of early neurological improvement after mechanical thrombectomy
Variables | NIHSS scale at 24 h Median (IQR) | P | |
|---|---|---|---|
Demographic data and comorbidities | |||
Age >65 | Yes | 8 (16) | 0.072 |
No | 4 (14) | ||
Male sex, n (%) | Yes | 6 (14) | 0.849 |
No | 7 (17) | ||
Previous mRS < 2, n (%) | Yes | 6 (15) | 0.168 |
No | 13.5 (15) | ||
Arterial hypertension, n (%) | Yes | 9 (14) | 0.108 |
No | 5 (15) | ||
Dyslipidemia, n (%) | Yes | 8 (16) | 0.308 |
No | 6 (14) | ||
Diabetes mellitus, n (%) | Yes | 13.5 (14) | 0.009 |
No | 5 (14) | ||
Smoking, n (%) | Yes | 3.5 (11) | 0.091 |
No | 8 (18) | ||
Alcohol abuse, n (%) | Yes | 6.5 (17) | 0.313 |
No | 7 (15) | ||
Atrial fibrillation, n (%) | Yes | 5.5 (14) | 0.492 |
No | 8 (16) | ||
Coronary heart disease, n (%) | Yes | 6 (20) | 0.977 |
No | 7 (15) | ||
Previous stroke, n (%) | Yes | 4 (6) | 0.181 |
No | 8 (17) | ||
Prior treatments | |||
Antiplatelet Agents, n (%) | Yes | 8.5 (16) | 0.334 |
No | 5 (11) | ||
Anticoagulants, n (%) | Yes | 4 (19) | 0.313 |
No | 5 (11) | ||
Statins, n (%) | Yes | 5 (18) | 0.587 |
No | 6.5 (14) | ||
Neuroimaging | |||
NCCT-ASPECTS at 24 h | 9–10 | 1 (4) | < 0.001 |
6–8 | 5 (11) | ||
0–5 | 19 (10) | ||
Proximal thrombus location on admission | ICA | 13 (15) | 0.062 |
M1 | 6 (14) | ||
M2 | 5 (11) | ||
Lateralization of the occlusion | Left | 11 (16) | 0.012 |
Right | 5 (10) | ||
Collaterals on CTA on admission* | Good | 13 (18) | 0.331 |
Fair | 6 (13) | ||
Poor | 5 (15) | ||
Parenchymal hemorrhagic transformation (PH1/PH2) at 24 h** | Yes | 19 (6) | < 0.001 |
No | 5 (13) | ||
Cerebral edema with midline shift (grade 3) at 24 h, n (%)† | Yes | 21 (5) | < 0.001 |
No | 5 (12) | ||