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Characteristics of study groups
| Group* | HIV status | CD4 count (range) | Diarrhoea | BMI (kg/m2) |
| 1 | negative | n/a | No | 24.3 (sd 5.8) |
| 2 | positive | 0–200 | No | 21.6 (sd 1.9) |
| 3 | positive | >200 | Yes | 16.6 (sd 2.0) |
| 4 | positive | 0–200 | Yes | 16.5 (sd 2.5) |
| 5 | positive | 0–200 | Yes | 16.2 (sd 2.9) |
*Patients in groups 1–4 survived 6 weeks of follow up but patients in group 5 died during this period.
