Table 1. Prevalence and intensity of intestinal schistosomiasis and age of first positive by each diagnostic method.
| No. tested | Prevalence (%) | CI95 (%) | Mean epg (of positives) | AFP$ | |
| DEDM (Two-sample double-smear Kato-Katz) | 242 | 21.9 | 16.9–27.6 | 86.4 | 9 months |
| KK light intensity (<100 epg) | 16.9 | 12.4–22.3 | 9 months | ||
| KK medium intensity (100–399 epg) | 4.5 | 2.3–8.0 | 3 years | ||
| KK heavy intensity (>399 epg) | 0.4 | 0.0–2.3 | 5 years | ||
| ADM (CCA incl. trace) | 242 | 42.6 | 36.3–49.1 | NA | 6 months |
| + reaction | 17.8 | 13.2–23.2 | 9 months | ||
| ++ reaction | 11.6 | 7.8–16.3 | 11 months | ||
| +++ reaction | 1.7 | 0.5–4.2 | 2 years | ||
| IEDM (SEA-ELISA) | 242 | 45.9 | 39.5–52.4 | NA | 6 months |
| + reaction | 15.3 | 11.0–20.5 | 6 months | ||
| ++ reaction | 19.4 | 14.6–25.0 | 1 year | ||
| +++ reaction | 11.2 | 7.5–15.8 | 9 months | ||
| DEDMs (all * ) | 242 | 24.4 | 19.1–30.3 | NA | NA |
| IEDM+DEDM +ADM | 242 | 47.5 | 41.1–54.0 | NA | NA |
$
Age of first positive.
*Note not all 242 children were examined with percoll and FLOTAC (see methodology).