Table 2 Baseline characteristics of patients with or without salivary response after hydration.
Responsive | Non-responsive | p value | |
|---|---|---|---|
Number | 27 | 40 | |
Age, years | 71.6 ± 11.5 | 72.4 ± 11.4 | 0.781 |
Sex, female gender | 9 (33%) | 15 (38%) | 0.727 |
Hypertension | 15 (56%) | 27 (68%) | 0.321 |
Diabetes mellitus | 8 (30%) | 17 (43%) | 0.285 |
Hyperlipidemia | 6 (22%) | 8 (20%) | 0.826 |
Atrial fibrillation | 3 (11%) | 7 (18%) | 0.472 |
Coronary artery disease | 1 (4%) | 1 (3%) | 1.000 |
Old stroke history | 5 (19%) | 6 (15%) | 0.745 |
Chronic kidney disease | 1 (4%) | 1 (3%) | 0.776 |
Cigarette smoking | 8 (30%) | 14 (35%) | 0.043* |
Blood urea nitrogen, mg/dL | 17.9 ± 9.3 | 18.1 ± 6.5 | 0.898 |
Creatinine | 1.0 ± 0.7 | 1.0 ± 0.3 | 0.227 |
eGFR, mL/min/1.73 m2 | 78.0 ± 22.3 | 71.0 ± 25.7 | 0.261 |
Serum glucose, mg/dL | 149 ± 74.2 | 141.5 ± 44.9 | 0.553 |
Sodium, mEq/L | 138.2 ± 2.4 | 137.8 ± 2.8 | 0.559 |
Blood osmolality, mOsm/kgH2O | 298.0 ± 5.7 | 297.5 ± 5.9 | 0.731 |
NIHSS at arrival | 6.1 ± 4.9 | 5.3 ± 4.3 | 0.410 |
NIHSS at 3 days | 5.2 ± 2.3 | 5.0 ± 4.7 | 0.438 |
Early neurological improvement | 10 (37%) | 4 (10%) | 0.009* |
Salivary conductivity, at arrival, µs/cm | 10,738 ± 3925 | 8263 ± 3257 | 0.007* |
Salivary conductivity, at 3 h, µs/cm | 7725 ± 3228 | 9243 ± 4355 | 0.132 |
Salivary conductivity, at 3 days, µs/cm | 7561 ± 2880 | 7195 ± 4180 | 0.390 |
mRS at 3 months | 2.2 ± 1.4 | 2.1 ± 1.4 | 0.705 |
