Table 1. Baseline characteristics of the study population.

Characteristics	N=317
Age, years	66 (58-73)
Female sex	140 (44.2)
Hypertension	197 (62.2)
Dyslipidaemia	208 (65.6)
Diabetes	92 (29.0)
Insulin dependent	15 (16.3)
Active smoker	49 (15.5)
Former smoker	103 (32.5)
Body mass index, kg/m²	27.67 (25.0-30.2)
Family history of CAD	23 (7.3)
Peripheral vascular disease	15 (4.7)
Chronic kidney disease	18 (5.6)
eGFR, mL/min/1.73 m²	84.2 (69.6-94.2)
Previous MI	50 (15.8)
Previous PCI	57 (18.0)
Previous ICA	112 (35.3)
Symptoms
Exertional angina CCS	185 (58.4)
I	17 (8.3)
II	142 (76.8)
III	26 (13.8)
Episodes of angina at rest	47 (14.8)
Atypical chest pain	62 (19.6)
Dyspnoea	57 (18.0)
Symptom assessment	265 (83.6)
SAQ - Physical limitation	75.0 (60.0-88.9)
SAQ - Angina stability	50.0 (33.3-66.7)
SAQ - Angina frequency	75.0 (66.7-83.3)
SAQ - Treatment satisfaction	81.0 (66.7-90.5)
SAQ - Quality of life	53.3 (40.0-66.7)
SAQ - Overall score	71.7 (61.6-78.8)
Complementary tests
LVEF on TTE, %	60 (55-65)
Exercise ECG test	131 (41.3)
Positive result	91 (69.4)
Stress echocardiography	55 (17.4)
Positive result	36 (65.5)
SPECT	34 (10.7)
Positive result	25 (73.5)
Stress MRI	1 (0.3)
Positive result	1 (100)
CCTA	47 (14.8)
Data are presented as median (IQR) or n (%). CAD: coronary artery disease; CCS: Canadian Cardiovascular Society; CCTA: coronary computed tomography angiography; ECG: electrocardiography; eGFR: estimated glomerular filtration rate; ICA: invasive coronary angiography; IQR: interquartile range; LVEF: left ventricular ejection fraction; MI: myocardial infarction; MRI: magnetic resonance imaging; PCI: percutaneous coronary intervention; SAQ: Seattle Angina Questionnaire; SPECT: single-photon emission computed tomography; TTE: transthoracic echocardiography