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Codes, values, and description of explanatory variables
| Explanatory variables | Modality and codes |
|---|---|
| Baseline CDC clinical stage | Stage C: 0 Stages A and B: 1 |
| Baseline CD4 cell count | <200/mm3: 0 ≥200/mm3: 1 |
| Age at treatment initiation | >50 years: 0 ≤50 years: 1 |
| Adherence at different periods of medical follow-up | Incomplete adherence: 0 Good adherence: 1 |
Abbreviation: CDC, Centers for Disease Control and Prevention.
