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Table 3 Yates’ chi-square test and matric comparisons of nine dengue outbreak yearsa

From: Role of Aedes aegypti (Linnaeus) and Aedes albopictus (Skuse) in local dengue epidemics in Taiwan

Year

2002

2006

2007

2009

2010

2011

2012

2014

Year

Imported case (Im)

autochthonous case (Au)

(Im/Au)

(Im/Au)

(Im/Au)

(Im/Au)

(Im/Au)

(Im/Au)

(Im/Au)

(Im/Au)

2002

52

5336

2006 (Im/Au)

*307.13

       

2006

109

965

2007 (Im/Au)

*273.09

3.1

      

2007

179

2000

2009 (Im/Au)

*778.08

*35.43

*83.76

     

2009

204

848

2010 (Im/Au)

*681.82

*19.34

*58.58

*5.12

    

2010

304

1592

2011 (Im/Au)

*305.53

0.55

1.11

*58.12

*36.62

   

2011

157

1545

2012 (Im/Au)

*539.76

*8.17

*30.67

*12.71

2.5

*17.37

  

2012

207

1271

2014 (Im/Au)

*8.84

*363.42

*371.93

*1215.21

*1186.02

*405.63

*335.02

 

2014

240

15492

2015 (Im/Au)

0.84

*861.18

*960.62

*2808.97

*2899.05

*1009.39

*1242.15

*54.38

2015

365

43419

  1. Im imported case, Au autochthonous case
  2. Significance (*) is a chi-square value > 3.84 (p value = 0.05)
  3. aindicates the number of confirmed dengue > 1000 cases
  4. Data extracted from Taiwan CDC [37]