Medications per patient at admission
| Patient age (years) | No (%) of patients with no medications (N=22 452) | No (%) of patients with 1–2 medications (N=7830) | No (%) of patients with 3–6 medications (N=6598) | No (%) of patients with 7 or more medications (N=4305) |
| 0–2 | 8674 (20.1) | 2605 (9.5) | 1226 (3.4) | 446 (67.0) |
| 2–8 | 5762 (16.1) | 2261 (18.1) | 2171 (18.5) | 1162 (47.3) |
| 8–14 | 3663 (19.9) | 1487 (19.1) | 1536 (10.2) | 991 (50.7) |
| >14 | 4353 (19.4) | 1477 (20.0) | 1665 (12.9) | 1706 (47.7) |