Table 1.
Baseline characteristics of the study population by dominance
| Patient characteristics | Total (n = 6382) | Right dominant (n = 5817) | Left dominant (n = 565) | P-value |
|---|---|---|---|---|
| Male gender | 3343 (53%) | 2995 (51%) | 348 (62%) | <0.0001 |
| BMI | 27.3 ± 5.3 | 27.2 ± 5.3 | 27.8 ± 5.4 | 0.0288 |
| Age (years) | 56.9 ± 12.3 | 56.9 ± 12.2 | 56.6 ± 13.0 | 0.1726 |
| Hypertension | 3287 (52%) | 2970 (52%) | 317 (56%) | 0.0453 |
| Diabetes | 757 (12%) | 680 (12%) | 77 (14%) | 0.1799 |
| Dyslipidaemia | 3373 (54%) | 3093 (54%) | 280 (50%) | 0.0742 |
| Current smoking | 1231 (19%) | 1111 (19%) | 120 (21%) | 0.246 |
| Family history of CAD | 2036 (33%) | 1839 (33%) | 197 (36%) | 0.2314 |
| Symptoms | ||||
| Asymptomatic | 2114 (34%) | 1913 (24%) | 201 (37%) | 0.0003 |
| Non-Cardiac | 977 (16%) | 868 (15%) | 109 (20%) | |
| Atypical | 2230 (36%) | 2077 (37%) | 153 (28%) | |
| Typical | 825 (13%) | 747 (13%) | 78 (14%) | |
| Dyspnoea | 1793 (31%) | 1611 (31%) | 182 (35%) | 0.0383 |
| Diamond and Forrester pre-test probability | 32.9 ± 29.2 | 33.0 ± 29.1 | 32.5 ± 29.8 | 0.69 |
| Morise score | 11.9 ± 4.3 | 11.8 ± 4.3 | 12.0 ± 4.2 | 0.56 |
Data are presented as n (%) and mean ± SD. Patients with a balanced coronary artery system were excluded from the analysis.
BMI, body mass index; CAD, coronary artery disease.