| Baseline characteristics | Non-obstructive CAD | Obstructive CAD | P-value (Sig.) |
| Count | 38 | 42 | |
| Age (years) | |||
| Mean ± SD | 53.9 ± 7.8 | 57.8 ± 7.8 | 0.028 (S) |
| BMI (kg/m2) | |||
| Mean ± SD | 26.9 ± 3.3 | 27.1 ± 2.9 | 0.728 (NS) |
| Risk factors | |||
| Male gender | 14 (36.8%) | 27 (64.3%) | 0.014 (S) |
| DM | 12 (31.6%) | 24 (57.1%) | 0.022 (S) |
| HTN | 12 (31.6%) | 23 (54.8%) | 0.037 (S) |
| Smoking | 9 (23.7%) | 15 (35.7%) | 0.241 (NS) |
| Dyslipidemia | 10 (26.3%) | 17 (40.5%) | 0.181 (NS) |
| Family history | 8 (21.1%) | 10 (23.8%) | 0.768 (NS) |