Table 3.
Prevalence and intensity of infection of Schistosoma mansoni and soil-transmitted helminths among school children by is District in south Nyanza, western Kenya
|
District |
S. mansoni
prevalence (%)
1
|
Intensity threshold prevalence, (%) |
Mean intensity (epg)
2
|
T. trichiura
prevalence (%)
1
|
A. lumbricoides
prevalence (%)
1
|
||
|---|---|---|---|---|---|---|---|
| Mild | Moderate | Severe | |||||
|
Borabu |
3.7 (1.1-9.4) |
100 |
0 |
0 |
21 (2.7-39.2) |
0.9 (<0.01-5.6) |
6.5 (3–13) |
|
Central Kisii |
2.4 (<0.01-13.4) |
100 |
0 |
0 |
36 |
12 (4.7-25.5) |
23.8 (13.3-38.7) |
|
Gucha South |
0.3 (<0.01-2.1) |
100 |
0 |
0 |
24 |
1.7 (0.6-4) |
11.7 (8.5-15.8) |
|
Homabay |
8.6 (6.9-10.6) |
73.4 |
20.3 |
6.3 |
118.1 (69.7-166.5) |
2.6 (1.7-3.9) |
4.9 (3.7-6.5) |
|
Migori |
21.4 (19.3-23.6) |
58.8 |
25.6 |
15.6 |
179.4 (151.4-207.4) |
2.6 (1.9-3.5) |
5.4 (4.3-6.7) |
|
Rachuonyo |
6.1 (4.3-8.5) |
67.7 |
22.6 |
9.7 |
115.5 (58.6-172.4) |
4.1 (2.7-6.2) |
2.3 (1.3 to 4.1) |
|
Suba |
19.4 (13.6-27) |
69.2 |
26.9 |
3.8 |
93.2 (44.9-141.6) |
2.3 (0.5-6.7) |
0.7 (<0.01-4.5) |
| Overall | 13 (11.9-14.1 | 63.2 | 24.2 | 12.6 | 156.8 (135.3-178.4) | 2.8 (2.3-3.4) | 5.4 (4.7-6.3) |
195% Confidence Interval.
2Arithmetic mean infection intensity (values in parenthesis indicate 95% Confidence Interval).