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| Acetylator status: | PatientsWithATLI | Patients withelevated ALT,AST, or bilrubin | Patients with normalALT, AST andbilirubin levels | Total | PrevalenceofATLI % | Prevalenceratio(95% CI) | P-value# |
| Rapid (RA) | 9 | 41 | 287 | 337 | 2.70% | 1 | 0.0616 |
| Intermediate (IA) | 34 | 118 | 667 | 819 | 4.20% | 1.60 (0.75,3.20) | |
| Slow (SA) | 28 | 79 | 422 | 529 | 5.30% | 2.00 (0.95,4.20) | |
| not typed | 18 | 59 | 482 | 559 | 3.20% | ||
| TOTAL | 89 | 297 | 1858 | 2244 | 4.00% |
Cochrane-Armitage test for trend.
