Medication use (ATC classification system categories) of OHCA cases and age-matched/sex-matched controls
| ARREST OHCA with documented VT/VF | PHARMO controls | |
|---|---|---|
| N | 1787 | 7698 |
| Male | 1376 (77.0) | 5939 (77.1) |
| Mean age (SD), years | 66.5 (13.7) | 66.4 (13.8) |
| A—Alimentary tract and metabolism | 810 (45.3) | 2607 (33.9) |
| B—Blood and blood forming organs | 925 (51.8) | 2401 (31.2) |
| C—Cardiovascular system | 1268 (71.0) | 3903 (50.7) |
| G—Genito urinary system and sex hormones | 221 (12.4) | 911 (11.8) |
| H—Systemic hormonal preparations, excluding sex hormones | 181 (10.1) | 563 (7.3) |
| J—Anti-infectives for systemic use | 410 (22.9) | 1416 (18.4) |
| L—Antineoplastic and immunomodulating agents | 53 (3.0) | 177 (2.3) |
| M—Musculoskeletal system | 354 (19.8) | 1420 (18.4) |
| N—Nervous system | 557 (31.2) | 1966 (25.5) |
| P—Antiparasitic products, insecticides and repellents | 12 (0.7) | 73 (0.9) |
| R—Respiratory system | 426 (23.8) | 1524 (19.8) |
Data are N (%), unless otherwise indicated.
ATC, Anatomical Therapeutic Chemical Classification System; OHCA, out-of-hospital cardiac arrest; VF, ventricular fibrillation; VT, ventricular tachycardia.