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Classification of articles according to LDA topics and pertinence to the clinical trial literature.
| Applied | Theoretical | Total | |
|---|---|---|---|
| Pertinent to clinical trials | 16% (31) | 4% (11) | 42 |
| Not pertinent to clinical trials | 84% (164) | 96% (264) | 428 |
| Total | 195 | 275 | 470 |
