Table 1 Baseline characteristics of participants stratified by groups.
All | Stroke mimics | Ischemic stroke/TIA | p value | |
|---|---|---|---|---|
Number | 108 | 35 | 73 | |
Age, years | 69.2 ± 12.6 | 66.0 ± 13.8 | 71.1 ± 11.7 | 0.044* |
Sex, female gender | 39 (36%) | 12 (34%) | 27 (37%) | 0.784 |
Hypertension | 66 (61%) | 22 (63%) | 44 (60%) | 0.797 |
Diabetes mellitus | 37 (34%) | 11 (31%) | 26 (36%) | 0.668 |
Hyperlipidemia | 27 (25%) | 10 (29%) | 17 (23%) | 0.553 |
Atrial fibrillation | 11 (10%) | 1 (3%) | 10 (14%) | 0.099 |
Coronary artery disease | 4 (4%) | 2 (6%) | 2 (3%) | 0.594 |
Old stroke history | 19 (18%) | 7 (20%) | 12 (16%) | 0.649 |
Chronic kidney disease | 5 (5%) | 3 (9%) | 2 (3%) | 0.326 |
Cigarette smoking | 34 (31%) | 9 (26%) | 25 (34%) | 0.372 |
Blood urea nitrogen, mg/dL | 18.5 ± 12.7 | 20.3 ± 19.4 | 17.6 ± 7.5 | 0.436 |
Creatinine | 1.0 ± 0.5 | 1.0 ± 0.6 | 1.0 ± 0.5 | 0.803 |
eGFR, mL/min/1.73 m2 | 77.1 ± 26.5 | 80.0 ± 28.6 | 75.8 ± 25.5 | 0.451 |
Serum glucose, mg/dL | 138.7 ± 51.5 | 130.2 ± 41.0 | 142.6 ± 55.5 | 0.177 |
Sodium, mEq/L | 137.6 ± 4.0 | 136.6 ± 5.7 | 138.1 ± 2.6 | 0.367 |
Blood osmolality, mOsm/kgH2O | 296.8 ± 9.6 | 294.8 ± 14.6 | 297.7 ± 5.7 | 0.284 |
NIHSS at arrival | 5.2 ± 4.5 | N/A | 5.2 ± 4.5 | N/A |
NIHSS at 3 days | 4.6 ± 4.3 | N/A | 4.7 ± 4.3 | N/A |
Salivary conductivity at arrival, µs/cm | 9008 ± 3938 | 8666 ± 4458 | 9171 ± 3685 | 0.535 |
Salivary conductivity at 3 h, µs/cm | 8118 ± 3715 | 7512 ± 3108 | 8404 ± 3957 | 0.330 |
Salivary conductivity at 3 days, µs/cm | 7262 ± 3390 | 7930 ± 3485 | 7193 ± 3410 | 0.584 |
