| Demographic Characteristics | All patients (N = 20,000) |
| Sex, n (%) |
|
| Male | 12,260 (61.3) |
| Female | 7740 (38.7) |
| Not specified | 2 (0.01) |
| Mean age, y (SD)* | 54 (15.4) |
| Age category, n (%) |
|
| <18 y | 355 (1.8) |
| 18 - 39 y | 2837 (14.2) |
| 40 - 59 y | 9088 (45.4) |
| 60 - 79 y | 7005 (35.0) |
| ≥80 y | 676 (3.4) |
| Not specified | 39 (0.20) |
| Patients with any concomitant disease, n (%)† | 9042 (45.2) |
| Reduced general condition | 3483 (17.4) |
| Hypertension | 1581 (7.9) |
| Coronary heart disease | 1417 (7.1) |
| Diabetes mellitus | 541 (2.7) |
| Autoimmune disorder | 214 (1.1) |
| Renal insufficiency | 193 (1.0) |
| Cardiac arrhythmia | 166 (0.83) |
| Thyroid disorder | 93 (0.47) |
| Allergy | 82 (0.41) |
| Asthma | 69 (0.35) |
| Heart failure | 36 (0.18) |
| Dehydration | 7 (0.04) |
| History of contrast media reaction | 3 (0.02) |