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Baseline characteristics of positive responders and negative responders.
| Characteristic | Positive responders | Negative responders | P |
|---|---|---|---|
| n | 12 | 9 | |
| Sex | Male | Male | |
| Age (mean, years) | 36 | 29 | |
| HIV seropositive (n) | 3 | 2 | |
| Serum retinol (μmol/L) | 1.4 (1.06–2.48) | 2.68 (1.68–3.29) | 0.03 |
A retinol concentration of 1 μmol/L was equivalent to 28.
