Table 5 |
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|
Prevalence and intensity of S. mansoni and hookworm infections in the newly-recruited cohorts of previously untreated 6-year-old children before and after treatment |
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|
Baseline |
Follow-up Year 1 |
Follow-up Year 2 |
Overall reduction |
|
|
|
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|
S. mansoni |
||||
|
Prevalence (%) |
||||
|
Overall |
34.9 (31.9–37.8) (n = 1 018) |
27.7 (25.0–30.4) (n = 1 075) |
22.6 (19.9–25.2) (n = 961) |
35.2% |
|
Region |
||||
|
Albertine Nile |
22.4 (17.9–26.9) (n = 330) |
12.9 (9.5–16.4) (n = 371) |
11.3 (7.9–14.6) (n = 346) |
49.6% |
|
Lake Albert |
47.5 (41.3–53.6) (n = 255) |
42.4 (36.7–48.1) (n = 288) |
32.3 (26.3–38.4) (n = 229) |
32.0% |
|
Lake Victoria |
37.0 (32.4–41.5) (n = 433) |
30.8 (26.3–35.2) (n = 416) |
26.9 (22.5–31.4) (n = 386) |
27.3% |
|
Intensity of infection (epg) |
||||
|
Overall |
171.1 (141.5–200.7) (n = 1 018) |
119.9 (92.1–147.8) (n = 1 075) |
72.0 (50.9–93.1) (n = 961) |
57.9% |
|
Region |
||||
|
Albertine Nile |
93.7 (53.4–133.9) (n = 330) |
42.7 (18.9–66.5) (n = 371) |
10.8 (6.1–15.4) (n = 346) |
88.5% |
|
Lake Albert |
152.9 (111.9–193.8) (n = 433) |
84.2 (55.9–112.5) (n = 416) |
86.2 (59.2–113.3) (n = 386) |
43.6% |
|
Lake Victoria |
302.3 (223.9–380.7) (n = 255) |
271.1 (182.7–359.5) (n = 288) |
140.6 (65.6–215.6) (n = 229) |
53.5% |
|
Hookworms |
||||
|
Prevalence (%) |
||||
|
Overall |
48.4 (45.4–51.5) (n = 1 018) |
24.7 (22.1–27.3) (n = 1 075) |
15.9 (13.6–18.2) (n = 961) |
67.1% |
|
Region |
||||
|
Albertine Nile |
46.1 (40.7–51.4) (n = 330) |
14.0 (10.5–17.6) (n = 371) |
10.7 (7.4–14.0) (n = 346) |
76.8% |
|
Lake Albert |
39.6 (33.6–45.6) (n = 255) |
10.8 (7.2–14.4) (n = 287) |
12.2 (8.0–16.5) (n = 229) |
69.2% |
|
Lake Victoria |
55.4 (50.8–60.2) (n = 433) |
43.6 (38.9–48.4) (n = 417) |
22.8 (18.6–27.0) (n = 386) |
58.8% |
|
Intensity of infection (epg) |
||||
|
Overall |
232.7 (188.4–276.9) (n = 1 018) |
84.6 (63.6–105.6) (n = 1 075) |
51.4 (33.4–69.5) (n = 961) |
77.9% |
|
Region |
||||
|
Albertine Nile |
184.1 (137.2–231.0) (n = 330) |
39.7 (6.7–72.7) (n = 371) |
27.8 (8.4–47.3) (n = 346) |
84.9% |
|
Lake Albert |
171.0 (97.4–244.7) (n = 255) |
20.2 (9.6–30.8) (n = 288) |
32.2 (4.5–59.8) (n = 229) |
81.2% |
|
Lake Victoria |
306.0 (218.6–393.4) (n = 433) |
168.9 (124.9–212.8) (n = 416) |
84.0 (46.0–122.0) (n = 386) |
72.5% |
|
|
||||
|
Figures in () indicate 95% confidence intervals; n, number of subjects in the group. |
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|
Zhang et al. BMC Medicine 2007 5:27 doi:10.1186/1741-7015-5-27 |
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