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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.