No previous CAD
  negative stress test
(n=885, 61%)
positive stress test
(n=567, 39%)
P value
Age 67±10.8 66±10.6 0.041
Height 170.2±9.6 171.2±9.6 0.045
Body weight 82.4±16.8 81±16.7 0.140
Abdomen circumference 99.1±13.7 97.6±13 0.128
BMI 28.4±5 27.6±4.85 0.002
Sex (male) 455 (52.1%) 317 (56.3%) 0.129
Risk factors/concomitant diseases
Hypertension 618 (69.8%) 397 (70%) 0.953
Dyslipidemia 358 (40.5%) 269 (47.4%) 0.009
DM 176 (19.9%) 108 (19%) 0.735
COPD 82 (9.3%) 34 (6%) 0.029
Renal failure 44 (5%) 16 (2.8%) 0.058
PAD 35 (4%) 29 (5.1%) 0.297
Stroke 24 (2.7%) 18 (3.2%) 0.632
Smoking 235 (26.6%) 180 (31.7%) 0.037
Symptoms
Classic AP 355 (40.1%) 243 (42.9%) 0.325
Atypical AP 285 (32.2%) 185 (32.6%) 0.863
Exertionaldyspnea 406 (45.9%) 226 (39.9%) 0.026
Number of AP per week 3.1±4.2 3.1±3.8 0.811
Number of NTG-intake per week 0.65±1.9 0.61±2.1 0.723
Diagnosis of CAD after angiogram 142 (16%) 98 (17.3%) 0.563
Table 4: Demographics of patients without previously known CAD.