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Number of drug interactions per patient.
| Number of drugs | Number of patients (n = 186) | Number of drug interactions (n = 856) | Average number of drug–drug interactions with number of drugs in the prescription |
|---|---|---|---|
| 2–5 | 35 | 78 (9%) | 2.23 |
| 6–10 | 146 | 731 (85%) | 5.01 |
| >10 | 5 | 47 (6%) | 9.40 |
