Table 1.
Numbers of hospitalizations and patients at each stage of the method, depending on the type of hospitalization
| Numbers of hospitalizations (H) and patients (P) | ||||
|---|---|---|---|---|
| n (%) | ||||
| Use of cannabinoids | Use of multiple drugs | Total | ||
| Step 1: Selection (PMSI database) | H | 227 (32.4) | 474 (67.6) | 701 |
| P | 191 (35.9) | 341 (64.1) | 532 | |
| Step 2: Validation (Medical files and toxicology) | H | 200 (68.0) | 94 (32.0) | 294 |
| P | 168 (72.4) | 64 (27.6) | 232 | |
| Step 3: Inclusion (Imputability scores > Io) | H | 172 (76.8) | 52 (23.2) | 224 |
| P | 158 (79.0) | 42 (21.0) | 200 | |
Percentages were calculated at all steps among the respective total number of hospitalizations and patients.