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Table 2 Proportion of significant clusters or outliers in the observed households at α= 0.05 level, 9999 permutations

From: Spatial-temporal variations of Schistosoma japonicum distribution after an integrated national control strategy: a cohort in a marshland area of China

Scatter plot quadrant Year (%) Χ 2 Pvalue
2005 2007 2009
High-high 2.55 (7/275) 0.73 (2/275) 0.00 (0/268) 8.81 0.013
High-low 1.09 (3/275) 0.36 (1/275) 0.37 (1/268) 1.57 0.456
Low-low 19.27 (53/275) 10.55 (29/275) 1.49 (4/268) 45.61 0.000
Low-high 8.36 (23/275) 7.27 (20/275) 3.36 (9/268) 6.30 0.043
  1. The number of significant clusters (or outliers) and observed households are presented in parentheses.