Table 1.
The number of expert-defined parameters in each ATC class
| 1st level ATC codes and common names | Number of ATC parameters | Number of vnr parameters |
|---|---|---|
| A: Alimentary tract and metabolism | 31 | 354 |
| B: Blood and blood forming organs | 10 | 74 |
| C: Cardiovascular system | 13 | |
| D: Dermatological drugs | 12 | |
| G: Genitourinary system and reproductive hormones | 8 | 43 |
| H: Systemic hormonal preparations, excluding reproductive hormones and insulins | 6 | |
| J: Antiinfectives for systemic use | 7 | |
| L: Antineoplastic and immunomodulating agents | 5 | |
| M: Musculoskeletal system | 12 | 519 |
| N: Nervous system | 15 | 989 |
| P: Antiparasitic products, insecticides and repellents | 5 | |
| R: Respiratory system | 13 | |
| S: Sensory organs | 15 | |
| V: Various ATC structures | 22 | |
| Total | 174 | 2226 |