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Levels of concurrent risk factors in patients receiving COX-2 inhibitors.
| Cumulative number of risk factors or drug interactions identified in patients | Number of patients with concurrent risk factors (%) | Number of patients with concurrent drug interactions (%) |
|---|---|---|
| 0 | 219 (34.9%) | 298 (47.5%) |
| 1 | 191 (30.5%) | 201 (32.1%) |
| 2 | 154 (24.6%) | 90 (14.4%) |
| 3 | 47 (7.5%) | 38 (6.1%) |
| 4 | 14 (2.2%) | 0 |
| 5 | 2 (0.3%) | 0 |
