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Mean and median number of drugs per patient, both related and unrelated to surgery per operation category.
| Operation category | |||||
|---|---|---|---|---|---|
| Age group | No operation (n = 334) | Major 1 (n = 85) | Major 2 (n = 289) | Intermediate (n = 264) | Minor (n = 89) |
| Mean | 4.6 | 15.3 | 12.1 | 10.4 | 76.2 |
| Median | 5.4 | 15.5 | 14.0 | 11.3 | 7.6 |
