Table 1 Occurrence of ova-patent Schistosoma mansoni in stool and prevalence and intensity of S. haematobium infections by school
School (sample size) | Stool: Kato-Katz (S. mansoni) | Urine: filtration (S. haematobium) | ||||||
|---|---|---|---|---|---|---|---|---|
Number of stool samples collected | Prevalence (%) [95% CI] | Infection intensityα (eggs per gram) [% of positives] | Prevalence (%) [95% CI] | Infection intensityβ (eggs per 10 ml) [% of positives] | ||||
Light | Medium | Heavy | Light | Heavy | ||||
TOTAL (n = 520) | 335 | * | 20 [74.1] | 4 [14.8] | 3 [11.1] | 24.0 [20.3–27.7] | 80 [64.0] | 45 [36.0] |
All collected stools, irrespective of CCA status, were examined | ||||||||
Mchoka (n = 80) | 73 | 1.4 [0.0–4.1] | 1 [100.0] | 0 [0.0] | 0 [0.0] | 18.8 [10.2–27.4] | 11 [73.3] | 4 [26.7] |
Samama (n = 80) | 77 | 5.2 [0.2–10.2] | 4 [100.0] | 0 [0.0] | 0 [0.0] | 56.3 [45.4–67.2] | 30 [66.7] | 15 [33.3] |
MOET (n = 60) | 56 | 3.6 [0.0–8.5] | 2 [100.0] | 0 [0.0] | 0 [0.0] | 8.3 [1.3–15.3] | 3 [60.0] | 2 [40.0] |
Koche (n = 60) | 59 | 15.3 [6.1–24.5] | 3 [33.3] | 3 [33.3] | 3 [33.3] | 1.7 [0.0–5.0] | 1 [100.0] | 0 [0.0] |
Only selective stools from urine-CCA ‘positive’ children were examined | ||||||||
St Augustine II (n = 30) | 15 | * | 3 [100.0] | 0 [0.0] | 0 [0.0] | 43.3 [25.6–61.0] | 8 [61.5] | 5 [38.5] |
Ndembo (n = 30) | 15 | * | 6 [85.7] | 1 [14.3] | 0 [0.0] | 60.0 [42.5–77.5] | 7 [38.9] | 11 [61.1] |
Chikomwe (n = 30) | 10 | * | 0 [−] | 0 [−] | 0 [−] | 10.0 [0.0–20.7] | 1 [33.3] | 2 [66.7] |
Chipeleka (n = 30) | 3 | * | 0 [−] | 0 [−] | 0 [−] | 26.7 [10.9–42.5] | 4 [50.0] | 4 [50.0] |
Sungusya (n = 30) | 7 | * | 0 [−] | 0 [−] | 0 [−] | 16.7 [3.4–30.0] | 4 [80.0] | 1 [20.0] |
St Martins (n = 30) | 4 | * | 0 [−] | 0 [−] | 0 [−] | 3.3 [0.0–9.7] | 1 [100.0] | 0 [0.0] |
Makumba (n = 30) | 6 | * | 1 [100.0] | 0 [0.0] | 0 [0.0] | 6.7 [0.0–15.6] | 2 [100.0] | 0 [0.0] |
Mtengeza (n = 30) | 10 | * | 0 [−] | 0 [−] | 0 [−] | 30.0 [13.6–46.4] | 8 [88.9] | 1 [11.1] |