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Distribution of parasitic infections among Afghan children by age.
| Intestinal parasites | Mean | SD | Median | p-value |
|---|---|---|---|---|
| Nematodes (-) | 12.9 | 2.4 | 12.0 | 0.0001 |
| Nematodes (+) | 12.2 | 2.1 | 12.0 | |
| Cestodes (-) | 12.8 | 2.4 | 12.0 | 0.00003 |
| Cestodes (+) | 11.8 | 1.6 | 11.0 | |
| Trematodes (-) | 12.7 | 2.4 | 12.0 | 0.85 |
| Trematodes (+) | 12.4 | 1.6 | 12.0 | |
| Protozoa (-) | 12.8 | 2.4 | 12.0 | 0.0003 |
| Protozoa (+) | 12.2 | 2.1 | 12.0 | |
| Total (-) | 13.1 | 2.5 | 13.0 | <0.000001 |
| Total (+) | 12.2 | 2.1 | 12.0 |
