Table 2.
Plasma retinol and zinc levels in the intervention and control groups after 120 days of supplementation
| Variable | Vitamin A with zinc group | Vitamin A without zinc group | |||||
|---|---|---|---|---|---|---|---|
| No. | Mean | Median (5, 95 percentile) | No. | Mean | Median (5, 95 percentile) | Difference in mean (95% CI) | |
| Plasma retinol (μg/dL) | 90 | 21.6±6.6 | 22.1 (10.1,32.8) | 94 | 22.1±6.3 | 22.1 (10.9, 32.2) | -0.46 (-2.36,1.42) |
| Age <12 months* | 46 | 20.4±6.8 | 20.6 (8.1,32.1) | 48 | 22.2±6.9 | 21.9 (10.1, 32.8) | -1.77 (-4.62,1.06) |
| Age ≥12 months* | 44 | 23.0±6.2 | 23.8 (11.5,32.8) | 46 | 22.1±5.6 | 22.4 (11.9, 31.6) | 0.90 (-1.59,3.40) |
| Plasma zinc (μg/dL) | 90 | 86.3±35.7 | 73.5 (51.0,175.4) | 94 | 66.3±25.0 | 62.0 (46.8, 97.0) | 19.97 (11.03,28.91) |
*Age at baseline;
CI=Confidence interval