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Table 4 Number of positive dips as a function of distance to filled in mosquito ditches before and after the intervention.

From: Geostatistical evaluation of integrated marsh management impact on mosquito vectors using before-after-control-impact (BACI) design

Treatment Distance to filled ditch, m
   5 5–15 > 15
Before Count 10 66 371
  % 2.2 14.8 83.0
  Std. Residual -6.6 -3.7 5.4
After Count 107 131 161
  % 26.8 32.8 40.4
  Std. Residual 7.0 4.0 -5.7
  1. Standardized residual (significant if > 2.0 or < -2.0, bold letters) is indicated.