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Table 2 Clinical Characteristics of Stroke and Stroke mimics

From: External validation of stroke mimic prediction scales in the emergency department

  True Stroke
(n = 240)
Stroke Mimic
(n = 17)
Odds Ratio of Stroke mimic (95% CI) p-value
Female, n (%) 81 (33.6%) 9 (52.9%) 2.19 (0.83–5.75) 0.109
Age, mean (SD) 66 (13) 57 (17) 0.96 (0.92–0.99) 0.011
Age group < 50, n (%) 36 (15%) 6 (35.3%) 3.17 (1.13–8.90) 0.041
SBP, mmHg, mean (SD) 160 (28) 161 (34) 1.00 (0.99–1.02) 0.849
DBP, mmHg, mean (SD) 91 (20) 90 (15) 1.00 (0.97–1.02) 0.801
Seizure, n (%) 2 (0.8%) 0 (0.0%) 2.72 (0.06–116) 0.706
Migraine, n (%) 2 (0.8%) 3 (17.6%) 23.0 (3.60–147) < 0.001
Hypertension, n (%) 146 (60.8%) 6 (35.3%) 0.36 (0.13–0.99) 0.038
Hyperlipidemia, n (%) 101 (42.1%) 5 (29.4%) 0.60 (0.21–1.71) 0.305
Diabetes Mellitus, n (%) 53 (22.1%) 5 (29.4%) 1.54 (0.54–4.43) 0.485
Atrial Fibrillation, n (%) 32 (13.3%) 1 (5.9%) 0.58 (0.10–3.31) 0.375
History of Psychiatric Illness, n (%) 7 (2.9%) 3 (17.6%) 7.52 (1.79–31.5) 0.022
NIHSS on presentation, median (range) 9 (1–32) 6 (2–30) 0.98 (0.91–1.05) 0.529
  1. DBP indicates diastolic blood pressure, NIHSS National Institute of Health Stroke Scale; SBP systolic blood pressure