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Table 3 Joinpoint analysis for malaria incidence trends in Jiangsu province

From: Mass drug administration for the control and elimination of Plasmodium vivax malaria: an ecological study from Jiangsu province, China

MDA 1973−1983

Segments

Annual per cent change (95% CI)

Province−wide

1973–1976*

−56.7 (−75.5 to −23.7)

1976–1983

−12.4 (−24.7 to 2.0)

Prefectures

  

  Changzhou

1973–1983*

−33.8 (−36.7 to −30.8)

  Huaiyin

1973–1983*

−19.9 (−33.0 to −4.2)

  Lianyungang

1973–1983*

−24.3 (−38.2 to −7.3)

  Nanjing

1973–1978

9.5 (−35.2 to 85.1)

1978–1983*

−19.7 (−28.6 to −9.7)

  Nantong

1973–1977*

−65.5 (−75.8 to −50.9)

1977–1983

−6.1 (−22.3 to 13.5)

  Suzhou

1973–1976

−8.6 (−40.2 to 39.8)

1976–1983*

−35.7 (−42.6 to −28.0)

  Wuxi

1973–1983*

−40.2 (−43.1 to −37.2)

  Xuzhou

1973–1983*

−24.2 (−38.8 to −11.9)

  Yancheng

1973–1976*

−71.6 (−84.1 to −49.3)

1976–1983*

−18.6 (−30.2 to −4.8)

  Yangzhou

1973–1976*

−67.6 (−82.2 to −41.1)

1976–1983

−1.4 (−15.9 to 15.8)

  Zhenjiang

1973–1977*

−44.2 (−56.2 to −28.9)

1977–1983*

−28.1 (−36.8 to −18.1)

Focal MDA 2000−2009

County

  

  Sihong

2000–2009*

−27.0 (−35.6 to −17.2)

  Xuyi

2000–2002*

−43.7 (−65.7 to −7.8)

 

2002–2009*

−14.0 (−24.8 to −1.7)

  1. *statistically significant.
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