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Table 1 Baseline patient characteristics

From: Systolic blood pressure as a predictor of transient ischemic attack/minor stroke in emergency department patients under age 80: a prospective cohort study

Variable All patients
(N = 1084)
TIA/minor stroke
(N = 768; 70.8%)
Stroke-mimic
(N = 316; 29.2%)
p*
Demographics
 Age, mean (SD) 68.7 (15.5) 71.6 (13.7) 61.4 (17.0) < 0.001
 Sex, male (%) 573 (52.9) 442 (57.6) 131 (41.5) < 0.001
 Symptom onset to ED presentation, hours, median [IQR] 2.3 [1.3, 4.9] 2.3 [1.3, 4.9] 2.3 [1.3, 4.6] 0.862
Time of ED presentation     0.317
  (midnight—4 am] 70 (6.5) 51 (6.6) 19 (6.0)  
  (4 am—8 am] 85 (7.8) 61 (7.9) 24 (7.6)  
  (8 am—noon] 390 (36.0) 267 (34.8) 123 (38.9)  
  (noon—4 pm] 293 (27.0) 207 (27.0) 86 (27.2)  
  (4 pm—8 pm] 144 (13.3) 100 (13.0) 44 (13.9)  
  (8 pm—midnight] 102 (9.4) 82 (10.7) 20 (6.3)  
 Anxiety/Panic Feeling (%) 67 (6.2) 44 (5.7) 23 (7.3) 0.410
Investigations (%)
 MRI 999 (92.2) 720 (93.8) 279 (88.3) 0.004
 CTA 884 (81.5) 660 (85.9) 224 (70.9) < 0.001
 CT 1014 (93.5) 737 (96.0) 277 (87.7) < 0.001
Medical History (%)
 Diabetes 193 (17.8) 143 (18.6) 50 (15.8) 0.314
 Hypertension 620 (57.2) 471 (61.3) 149 (47.2) < 0.001
Medications (%)
 Statin for at least the last 30 days 349 (32.2) 265 (34.6) 84 (26.6) 0.013
 Antiplatelets for at least the last 7 days 386 (35.6) 296 (38.6) 90 (28.5) 0.002
 Beta blocker 207 (19.1) 166 (21.6) 41 (13.0) 0.001
 Calcium blocker 150 (13.8) 115 (15.0) 35 (11.1) 0.111
 Diuretic 188 (17.3) 146 (19.0) 42 (13.3) 0.030
 ACE inhibitor 262 (24.2) 197 (25.7) 65 (20.6) 0.090
 Angiotensin II receptor antagonist 178 (16.4) 137 (17.8) 41 (13.0) 0.061
 Vitamin K antagonist 37 (3.4) 30 (3.9) 7 (2.2) 0.225
 Novel anticoagulant 46 (4.2) 39 (5.1) 7 (2.2) 0.050
90-day Outcomes (%)     0.003
 Death 23 (2.1) 16 (2.1) 7 (2.2)  
 Stroke 33 (3.0) 31 (4.0) 2 (0.6)  
 Lost to follow-up 55 (5.1) 31 (4.0) 24 (7.6)  
 No event 973 (89.8) 690 (89.8) 283 (89.6)  
TOAST (%)
 Cardioembolic 124 (11.4) 124 (16.1)   
 Cryptogenic 285 (26.3) 285 (37.1)   
 Large-artery atherosclerosis 122 (11.3) 112 (15.9)   
 Small-vessel occlusion 77 (7.1) 77 (10.0)   
 Other known etiologies 22 (2.0) 22 (2.9)   
 Competing etiologies 34 (3.1) 34 (4.4)   
  1. Medication data for statin, antiplatelets, and vitamin K antagonist missing for 1 case; TOAST subtype unavailable for 104 cases due to incomplete evaluation.
  2. CT computed tomography, CTA computed tomography angiography, ED emergency department, MRI magnetic resonance imaging, SD standard deviation.
  3. *p-values computed from Pearson’s chi-square test of homogeneity for categorical variables, Welch’s t-test and Mann-Whitney test for continuous variables reported with mean and median, respectively