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Table 1 Prevalence of P. falciparum gametocytes, splenomegaly and geometric mean gametocyte density among individuals who participated in malaria cross sectional surveys in Magoda and Mpapayu villages in Muheza district from 1999 – 2012

From: Declining burden of malaria over two decades in a rural community of Muheza district, north-eastern Tanzania

Year Magoda Mpapayu
n (% under-fives) With splenomegaly (%) Pf gametocyte prevalence (%) G-mean Pf gametocyte density n (% under-fives) With splenomegaly (%) Pf. gametocyte prevalence (%) G-mean Pf. gametocyte density
1999 383 (40.4) 38.6 12.1 31 232 (39.2) 40.5 22 40
2000 352 (27.8) 21.6 6 55 226 (34.5) 43.4 8 85
2001 352 (42.4) 45.6 7.8 95 202 (39.1) 52 5 62
2004 392 (36.0) 23.7 5.6 21 237 (38.7) 23.6 1.7 16
2008 422 (41.2) 0.7 5 32 268 (36.2) 1.6 2.2 49
2009 512 (33.4) 2.5 3.1 23 267 (38.2) 1.9 3 64
2010 480 (33.7) 0.2 0.4 121 273 (34.4) 1.1 0.7 22
2011 482 (26.6) 0.2 0.2 560 259 (28.2) 0.8 0 0
2012 459 (26.0) 0.7 0.4 52 252 (26.6) 0 0.4 32
  1. Pf = Plasmodium falciparum, n = number of individuals enrolled in the surveys, % = percent and G-mean = geometric mean.