Rainy seasons | October 2000 | October 2009 | October 2010 | October 2011 |
---|---|---|---|---|
Number of participants | 1561 | 402 | 256 | 219 |
Median age (IQR) [years] | 14 (6–30) | 11 (5–28) | 15 (9–37) | 13 (6–33) |
Age range [years] | 0-90 | 1-89 | 1-90 | 1-74 |
Proportion of male participants [%] | 50.5 | 46.5 | 53.1 | 48.4 |
Parasite prevalence microscopy [%] (CI95%) | 78.9 (76.8-80.9) | 58.4 (53.4-63.2) | 55.90 (49.5-62.0) | 49.3 (42.5-56.1) |
Parasite prevalence PCR [%] (CI 95%) | 92.0 (87.4-95.4)* | 66.1 (61.1-70.7)1 | 68.8 (62.7-74.4)1 | 73.7 (67–79.7)2 |
Number of symptomatic patients [%]** | 14.7 | 9.8 | 15.1 | |
Dry seasons | April 2010 | April 2011 | April 2012 | |
Number of participants | 362 | 267 | 261 | |
Median age (IQR) [years] | 14 (5–34) | 15 (7–33) | 13 (7–37) | |
Age range [years] | 1-78 | 0-77 | 1-78 | |
Proportion of male participants [%] | 44.8 | 44.9 | 45.6 | |
Parasite prevalence microscopy [%] (CI95%) | 30.1 (25.4-35.1) | 29.6 (24.1-35.5) | 32.6 (26.9-38.6) | |
Parasite prevalence PCR [%] (CI95%) | 39.4 (33.6-45.4)1 | 39.3 (33.4-45.5)1 | 34.6 (28.8-40.7) 2 | |
Number of symptomatic patients [%]** | 4.6 | 1.3 | 3.8 | |
Combined estimates | Combined rainy seasons 2009-2011 | Combined data dry seasons 2010-2012 | ||
Number of participants | 877 | 890 | ||
Median age (IQR) [years] | 13 (6–31) | 14 (6–35) | ||
Age range [years] | 0-90 | 0-78 | ||
Proportion of male participants [%] | 48.9 | 45.0 | ||
Parasite prevalence microscopy [%] (CI95%) | 55.4 (51.9-58.6) | 30.7 (27.5-33.7) | ||
Parasite prevalence PCR [%] (CI95%) | 68.7 (65.4-71.8) | 37.9 (34.7-41.2) | ||
Number of symptomatic patients [%]** | 13.2 | 3.2 |