Table 1.
Prevalence and intensity of infection of schistosomiasis and soil-transmitted helminths among school children in south Nyanza, western Kenya
| |
Overall prevalence (%)
1
|
Intensity threshold prevalence, (%) |
Infection intensity
(eggs/10 ml or epg)
2
|
||
|---|---|---|---|---|---|
| Mild | Moderate | Heavy | |||
|
Hematuria |
8.3 (7.5-9.2) |
|
|
|
|
|
Overall parasite infection |
|
|
|
|
|
|
S. haematobium |
9.3 (8.4-10.2) |
86.2 |
- |
13.8 |
24.1 (18.7-29.6) |
|
S. mansoni |
13 (11.9-14.1 |
63.2 |
24.2 |
12.6 |
156.8 (135.3-178.4) |
|
T. trichiura |
2.8 (2.3-3.4) |
|
|
|
|
|
A lumbricoides |
5.4 (4.7-6.3) |
|
|
|
|
|
Monoinfection |
|
|
|
|
|
|
S. haematobium |
7.2 (6.4-8) |
86.6 |
- |
13.4 |
24 (17.2-30.7) |
|
S. mansoni |
11.4 (10.4-12.5) |
62.3 |
25.1 |
12.6 |
159.2 (136.7-181.7) |
|
Coinfection |
|
|
|
|
|
|
S. haematobium - S. mansoni |
1.3 (0.9-1.6) |
783 |
29.34 |
223 |
26.6 (16.2-37.0)3 |
| 68.34 | 2.44 | 92.8 (63.3-122.3)4 | |||
195% Confidence interval.
2Arithmetic mean infection intensity (values in parenthesis indicate 95% Confidence Interval).
3Values corresponding to S. haematobium infections.
4Values corresponding to S. mansoni infections.