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Table 1 The correlation analysis of malaria incidence, malaria prevention and control measures

From: Prevention measures and socio-economic development result in a decrease in malaria in Hainan, China

Years Incidence Preventive medicine (PM) Radical treatment (RT) Insecticides#
(1/10,000) (X0) No. of PM (X1) % of PM ( X 2) No. of RT (X3) % of finish RT (X4) Area of IRS(m2) (X5) No. of ITNs (X6)
2001 5.95 23,202 95.78 17,162 96.6 642,031 29,717
2002 6.92 27,725 96.5 28,903 93.01 0 26,669
2003 7.84 20,093 95.16 26,538 97.42 988,165 31,098
2004 11.52 6,504 96.21 10,026 99.68 869,996 57,551
2005 5.46 29,239 96.69 25,109 98.65 506,935 58,624
2006 4.66 122,024 93.04 44,203 98.88 1,049,305 55,188
2007 4.09 28,646 91.3 30,263 99.05 248,425 177,742
2008 2.21 30,818 94.16 55,091 98.79 1,257 162,064
2009 0.79 35,811 96.2 57,048 98.74 282,908 158,541
2010 0.09 12,850 94.15 17,571 97.89 470,701 138,548
2011 0.01 7,726 98.91 4,791 97.58 262,295 71,941
2012 0 415 96.26 1,143 93.16 730,452 47,356
2013 0 1,132 99.76 22 100 117,954 19,083
Correlation coefficient 0.7917 0.5527 0.7000 0.5389 0.6032 0.6592
  1. #2.5% Cyhalothrin.