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Table 1 Baseline demographics, clinical variables, stress-echocardiography and computed tomography angiograms data in the entire population and in the subgroups with or without obstructive coronary artery disease > 50%

From: Equivocal tests after contrast stress-echocardiography compared with invasive coronary angiography or with CT angiography: CT calcium score in mildly positive tests may spare unnecessary coronary angiograms

  Entire population(n = 137) CAD > 50% (n = 41) No CAD > 50% (n = 96) p
Age, median (IQR) 59 (11) 65 (10) 57 (11) <0.0001
Male Gender (%) 79 (58%) (57%) 28 (68%) 51 (53%) 0.1
Hypertension (%) 83 (60%) 30 (73%) 53 (55%) 0.048
Family history of CAD (%) 37 (27%) 11 (27%) 26 (27%) 0.9
Smoking (%) 26 (19%) 14 (34%) 12(13%) 0.003
Hypercolesterolemia (%) 62 (45%) 25 (61%) 37 (39%) 0.015
Diabetes mellitus (%) 16 (12%) 7 (17%) 9 (9%) 0.2
Coronary Calcium Agatston score, Median (IQR) 25 (175) 269 (917) 2 (42) <0.0001
Coronary stenosis >50% but <70% 27 (20%) 27 (66%) – –
At least one stenosis more than 70% 14 (10%) 14 (34%) – –
Bridge, tortuous course or coronary anomaly, sum, (%) 21, 24, 17 = 62 (45%) 9, 6, 7 = 22 (54%) 12, 18, 10 = 40 (42%) 0.2
Any reversible WM abnormality 18 (13%) 5 (12%) 13 (13%) 0.9
Reversible myocardial perfusion abnormality 78 (56%) 21 (51%) 57 (60%) 0.37
CFR-LAD Median (IQR) 2,0 (0.2) 1,9 (0.3) 2 (0.2) 0.003
  1. CAD coronary artery disease, IQR interquartile range, WM wall motion, CFR-LAD coronary flow reserve of the left anterior descending coronary artery
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Cardiovascular Ultrasound

ISSN: 1476-7120

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