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Table 1 Baseline patient characteristics and physician assessments

From: Diagnostic values of chest pain history, ECG, troponin and clinical gestalt in patients with chest pain and potential acute coronary syndrome assessed in the emergency department

  All patients n = 1151 (%) % with ACS n = 146 (97 MI, 49 UA)
Admitted to hospital 621 (54) 23.0
Age (years)   
<40 177 (15.4) 0
40-65 474 (41.2) 10.3
>65 500 (43.4) 19.4
>80 176 (15.3) 21.0
Gender   
Male 646 (56.1) 16.9
Cardiovascular history   
Known PAD 26 (2.3) 23.1
Diabetes 168 (14.6) 25.0
Previous stroke 103 (8.9) 22.3
Known CAD 338 (29.4) 22.5
Known heart failure 116 (10.1) 12.1
Chest pain history   
Typical of ACS 327 (28.4) 38.5
Typical of AMI 147 (12.8) 36.7
Suspicious of UA 180 (15.6) 40.0
Nonspecific 409 (35.5) 4.6
Not suspicious of ACS 415 (36.1) 0.2
ECG   
ST elevation 23 (2.0) 69.6
ST depression 46 (4.0) 63.0
T-wave inversion 35 (3.0) 34.3
Q-wave 3 (0.3) 33.3
LBBB 8 (0.7) 37.5
Troponin T, initial   
Elevated ≥ 0.05 μg/L 78 (6.8) 78.2
Overall clinical gestalt   
Obvious ACS 21 (1.8) 81.0
Strong suspicion 250 (21.7) 41.2
Low suspicion 439 (38.1) 5.9
No suspicion 441 (38.3) 0
  1. PAD, peripheral artery disease; CAD, Coronary artery disease.
  2. ACS, Acute coronary syndrome; AMI, Acute myocardial infarction; UA, Unstable angina.
  3. LBBB, Left bundle branch block.