Table 2.
Descriptive characteristics of patients with non-specific chest pain and the background population
| Patients with NSCP | Background population | P value | |
| N=229 | N=722 | ||
| Male | 98 (43) | 295 (45) | 0.48 |
| Age (years) | 57±9 | 55±5 | 0.008 |
| 30–39 | 7 (3) | – | 0.001 |
| 40–49 | 46 (20) | – | |
| 50–59 | 76 (33) | 316 (44) | |
| 60–70 | 100 (44) | 406 (56) | |
| Hypertension | 91 (40) | 266 (37) | 0.460 |
| Hypercholesterolaemia | 97 (42) | 126 (18) | 0.001 |
| Diabetes | 22 (10) | 59 (8) | 0.51 |
| Family history of CVD | 124 (54) | 287 (40) | 0.001 |
| Smoking | 58 (25) | 314 (44) | 0.001 |
| Previous smoker | 74 (32) | 197 (27) | 0.142 |
| Non-smoker | 97 (42) | 211 (29) | 0.001 |
| Systolic blood pressure (mm Hg) | 144±30 | 137±19 | 0.001 |
| Diastolic blood pressure (mm Hg) | 97±122 | 83±10 | 0.002 |
| Heart rate | 74±14 | 71±14 | 0.001 |
| Total cholesterol (mmol/L) | 5.2±1.1 | 5.5±1.1 | 0.005 |
| LDL cholesterol (mmol/L) | 3.1±0.9 | 3.2±0.9 | 0.070 |
| HDL cholesterol (mmol/L) | 1.4±0.5 | 1.5±0.5 | 0.080 |
| BMI (kg/m2) | 27±6 | 27±5 | 0.715 |
| CAC score (AU) | 2 (0–74) | 1 (0–54) | 0.229 |
| 0 | 106 (46) | 350 (48) | 0.679 |
| 1–99 | 74 (32) | 238 (33) | 0.897 |
| ≥100 | 49 (22) | 134 (19) | 0.438 |
Values are n (%), mean±SD or median (IQR).
AU, Agatston unit; BMI, body mass index; CAC, coronary artery calcification; CVD, cardiovascular disease; HDL, high-density lipoprotein; LDL, low-density lipoprotein; NSCP, non-specific chest pain.