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Table 3 Chronic LF morbidity in the rural study communities in Tanga District

From: Lymphatic filariasis control in Tanga Region, Tanzania: status after eight rounds of mass drug administration

Survey number (year) and communitya Hydrocele (males only) Elephantiasis (females and males)
No. examined No. positive (%) p-valueb Mean age (range) of positives p-valuec No. examined No. positive (%) p-valuea Mean age (range) of positives p-valueb
Survey 1 (2004)           
Kirare 117 50 (42.7) - 50.2 (16–76) - 269 14 (5.2) - 51.1 (26–74) -
Survey 9 (2013)           
Kirare 123 22 (17.9) < 0.001 53.7 (16–90) 0.43 334 8 (2.4) 0.11 54.9 (41–84) 0.58
All 3 communities 304 44 (14.5) < 0.001 53.8 (16–90) 0.31 808 14 (1.7) 0.004 54.9 (36–85) 0.52
  1. Results are from individuals aged ≥15 years examined during the pre-MDA survey (2004) and after 8 rounds of MDA (2013).
  2. aTwo hamlets of Kirare (Mtambuuni, Mashine), one hamlet of Kiomoni (Mabavu) and one hamlet of Kisimatui (Majengo).
  3. bPearson chi-square test comparing prevalence in 2004 to prevalences in 2013.
  4. ct-test comparing mean age in 2004 to mean ages in 2013.