Table 1 Prevalence of S. haematobium infection by egg positivity and infection intensities, haematuria and S. mansoni test results from POC-CCA testing (trace results excluded) in the study population from Ounianga Serir and Ounianga Kebir, Chad, 2019
|  | Ounianga Kebir (n = 207) | Ounianga Serir (n = 51) | Total n (%, 95% CI) | ||
|---|---|---|---|---|---|
Male n (%, 95% CI) | Female n (%, 95% CI) | Male n (%, 95% CI) | Female n (%, 95% CI) | ||
Total number of participants | 65 | 142 | 21 | 30 | 258 |
Participants aged < 18 years | 47 (72) | 65 (46) | 14 (67) | 11 (37) | 137 (53) |
S. haematobium infection (egg positive) | |||||
 Total no. positive | 27 (41.5, 30.0–54.0) | 46 (32.4, 25.2–40.5) | 11 (52.4, 30.2–73.6) | 17 (56.7, 37.9–73.7) | 101 (39.2, 33.5–45.1) |
 Positives < 18 years* | 24 (51.1, 36.6–65.3) | 24 (36.9, 25.9–49.5) | 9 (64.3, 34.1–86.3) | 8 (72.7, 35.4–92.8) | 65 (47.5, 39.2–55.8) |
S. haematobium heavy infection (≥ 50 eggs/10 ml urine) | |||||
 Total no. heavy infection | 13 (50.0, 30.5–69.5) | 21 (45.7, 31.6–60.5) | 8 (72.7, 35.4–92.8) | 9 (52.9, 28.1–76.4) | 51 (51.0, 41.2–60.7) |
 Heavy infection < 18 years | 13 (56.5, 34.8–76.0) | 14 (58.3, 36.9–77.0) | 8 (88.9, 37.5–99.1) | 7 (87.5, 32.0–99.1) | 42 (65.6, 53.0–76.4) |
Haematuria | |||||
 Total no. positive | 36 (55.4, 43.0–67.2) | 82 (57.8, 49.5–65.6) | 12 (57.1, 34.2–77.4) | 22 (73.3, 53.9–86.6) | 152 (58.9, 52.9–64.6) |
 Positives < 18 years* | 26 (55.3, 40.6–69.2) | 39 (60.0, 47.5–71.3) | 9 (64.3, 34.1–86.3) | 9 (81.8, 42.1–96.5) | 83 (60.6, 52.2–68.4) |
S. mansoni infection (from POC-CCA test results) | |||||
 Total no. positive | 3 (4.7, 1.5–13.8) | 11 (8.4, 4.7–14.5) | 5 (23.8, 9.5–48.2) | 2 (7.1, 1.6–26.2) | 21 (8.6, 5.7–12.8) |
 Positives < 18 years* | 3 (6.5, 2.0–19.0) | 5 (8.3, 3.4–18.8) | 5 (35.7, 13.7–65.9) | 1 (9.1, 0.9–53.6) | 14 (10.7, 6.4–17.2) |