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Table 4 Trends of confirmed malaria by year and Species southwest Ethiopia, September 2003 to August 2011

From: Dynamics of Plasmodium falciparium and Plasmodium vivaxin a micro-ecological setting, Southwest Ethiopia: effects of altitude and proximity to a dam

Plasmodium species Year IRR Std. Err. P value (95% C. I.)
All positive 2003/4 1     
2004/5 0.30 0.02 < 0.001 0.27 0.34
2005/6 0.40 0.02 < 0.001 0.36 0.44
2006/7 1.15 0.04 < 0.001 1.07 1.24
2007/8 2.26 0.08 < 0.001 2.11 2.41
2008/9 2.87 0.09 < 0.001 3.00 3.06
2009/10 4.08 0.13 < 0.001 3.84 4.34
2010/11 0.96 0.04 0.30 0.89 1.04
P. vivax in reference to P. falciparium During the whole period 1     
0.48 0.02 < 0.001 0.43 0.52
Rate ratio 2003/4 1     
P. vivax to 2004/5 2.30 0.20 < 0.001 1.95 2.72
P. falciparium 2005/6 1.41 0.12 < 0.001 1.19 1.67
  2006/7 1.57 0.10 < 0.001 1.39 1.78
  2007/8 1.59 0.09 < 0.001 1.42 1.77
  2008/9 0. 90 0.05 0.06 0.80 1.00
  2009/10 0.84 0.05 < 0.01 0.76 0.94
2010/11 1.61 0.10 < 0.001 1.42 1.83