Lymphatic filariasis control in Tanzania: effect of six rounds of mass drug administration with ivermectin and albendazole on infection and transmission

Table 2 Overview of the LF status in Kirare, as seen in the pre-MDA survey in September 2004

Characteristic	Kirare village (all 4 hamlets)	Mtambuuni and Mashine hamlets	p-value (χ ²-test)
Registered population ≥ 1 yr	1112	530	-
Examined population ≥ 1 yr	919	471	-
Male : female ratio among examined	0.88	0.85	0.76
Proportion of examined below 20 yrs	53.0%	48.4%	0.11
Mf prevalence	24.5%	26.1%	0.51
Mf GMI* among all examined	4.11	4.83	-
Mf GMI* among mf positive	781.3	851.1	-
CFA prevalence^#	53.3%	54.7%	0.87
Bm14 prevalence^#	78.9%	78.1%	0.91
Hydrocele prevalence (in males ≥ 20 yrs)^§	35.4%	45.2%	0.11
Elephantiasis prevalence (in all ≥ 20 yrs)^§	4.2%	5.8%	0.35

Shown for the complete village (Mtambuuni, Korosini, Mashine and Tundaua hamlets) and for the village section included in the later part of the study (Mtambuuni and Mashine hamlets only).
* Geometric mean intensity, in mf/ml blood.
^# Based on volunteers from mosquito collection houses only (90 and 64 examined individuals from the four and two hamlets of Kirare, respectively).
^§ Assessed in 175 and 104 males (hydrocele), and in 431 and 242 males and females (elephantiasis), in the four and two hamlets of Kirare, respectively.

ISSN: 1471-2334