Table 3.
Parasitological variables of schoolchildren in the middle years of schooling (6th to 8th year) who adhered to stool testing among those attending school at the times of the three annual parasitological surveys from to 2013 to 2015 in eight public schools of Fundamental Education in Malacacheta, Minas Gerais, Brazil.
| Variables | Year |
||
|---|---|---|---|
| 2013 (N = 767) | 2014 (N = 632) | 2015 (N = 557) | |
| Positives for S. mansoni (n, %, 95% CI) | 187 | 55 | 27 |
| 24.3 (20.9–28.0) | 8.7 (6.3–11.5) | 4.8 (3.0–7.3) | |
| Positives with light infection (1–99 epg) (n, %, 95% CI) | 120 | 42 | 24 |
| 64.2 (55.0–72.2) | 76.4 (59.0–88.0) | 88.9 (66.0–97.8) | |
| Positives with moderate infection (100–399 epg) (n, %, 95% CI) | 47 | 7 | 3 |
| 25.1 (17.7–33.3) | 12.7 (3.8–26.6) | 11.1 (1.2–31.0) | |
| Positives with heavy infection (≥ 400 epg) (n, %, 95% CI) | 20 | 6 | 0 |
| 10.7 (5.8–17.1) | 10.9 (2.8–24.3) | ||
| EPG (Arithmetic mean, 95% CI) | 45.5 | 11.3 | 3.1 |
| (29.0–62.0) | (5.1–17.4) | (1.2–5.1) | |
| Adherence to selective treatment (n, %, 95% CI) | 176 | 53 | 27 |
| 94.1 (88.7–97.2) | 96.4 (84.7–99.6) | 100 (85.1–100) | |
| Adherence to testing at 45 days after treatment (n, %, 95% CI) | 127 | – | – |
| 72.2 (63.7–79.3) | |||
| Egg –negatives at 45 days after treatment (n, %, 95% CI)a | 125 | – | – |
| 98.4 (93.1–99.8) | |||
| Egg reduction rate at 45 days after treatment (n, %, 95% CI) | 127 | – | – |
| 99.8 (99.4–100) | |||
| Re-infected after negativation at 45 days (n, %, 95% CI) | – | 3 | 0 |
| 2.8 (0.3–8.7) | |||
N, number of individuals adhering to stool testing. n, number of individuals in each variable; CI, confidence interval; epg, eggs per gram of stool; AM, arithmetic mean.
a
Parasitological cure.