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Table 2 De-seasonalization of seasonal variation of measles by quarter in Osun State

From: Descriptive epidemiology of measles surveillance data, Osun state, Nigeria, 2016–2018

 Quarter 
YearQ1Q2Q3Q4 
2016144.3841.71109.57 
201799.17111.71113.2769.48 
2018121.0894.69105.71 
Total220.26350.78260.69179.05 
Average110.13116.9386.9089.52403.48
 0.7620.7620.7620.7620.762
Quarterly variation+1.094+1.162+ 0.861+ 0.888 
ITLPQ5.741    
  1. ITLPQ Increase in trend line per quarter