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Efavirenz levels in different subgroups.
| Variable | Mean (μg/mL) | n | s.d. |
|---|---|---|---|
| Total group | 49.0 | 40 | 24.8 |
| Ataxia (only) | 55.3 | 33 | 22.4 |
| Encephalopathy (only) | 51.5 | 19 | 25.7 |
| Encephalopathy/ataxia | 52.1 | 36 | 24.1 |
| Psychosis | 25.0 | 4 | 11–47 |
| Tuberculous (TB) treatment/Isoniazid (INH) | 58.1 | 18 | 23.5 |
| INH (only) | 64.0 | 9 | 11.7 |
s.d., standard deviation.
