Table 1.
Year of survey | 1970–1974 | 1975–1979 | 1980–1984 | 1985–1989 | 1990–1994 | 1995–1999 | 2000–2004 | 2005–2009 | 2010–2014 | 2015 onward | Total |
---|---|---|---|---|---|---|---|---|---|---|---|
Number of articles | 9 | 15 | 19 | 10 | 14 | 12 | 11 | 11 | 7 | 6 | 108 |
Number of surveys/locationsa | 38/37 | 129/124 | 184/180 | 228/225 | 88/73 | 231/229 | 375/373 | 60/59 | 287/267 | 33/19 | 1653/1322 |
Location typea | |||||||||||
ADM1 | 11/10 | 3/1 | 4/3 | 13/12 | 15/14 | 0/0 | 0/0 | 1/1 | 9/9 | 18/8 | 74/15 |
ADM2 | 0/0 | 7/7 | 6/6 | 2/2 | 5/5 | 3/3 | 4/4 | 7/6 | 180/178 | 5/1 | 219/185 |
Points | 27/27 | 119/116 | 174/171 | 213/221 | 68/54 | 228/226 | 371/369 | 52/52 | 98/80 | 10/10 | 1360/1143 |
Diagnostic methodsa | |||||||||||
Kato-Katz | 21/20 | 100/97 | 166/165 | 220/218 | 37/37 | 199/199 | 290/290 | 6/6 | 209/209 | 0/0 | 1248/1067 |
FEb | 17/17 | 24/23 | 13/13 | 3/3 | 21/21 | 10/9 | 81/80 | 46/46 | 78/58 | 33/19 | 326/248 |
Combinedc | 0/0 | 5/5 | 5/5 | 5/5 | 30/30 | 22/22 | 4/4 | 8/8 | 0/0 | 0/0 | 79/75 |
Average prevalence (%)d | 17.33 | 7.29 | 10.42 | 3.68 | 24.31 | 3.37 | 7.53 | 11.67 | 4.60 | 3.72 | 7.40 |
Presented as surveys/locations.
FE: formalin-ether concentration technique.
Reporting results based on diagnostic method combined with FE and Kato-Katz.
The mean prevalence calculated directly from all survey data.