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Table 9 Chi-square test for enamel roughness evaluation (SEM)

From: Comparative evaluation of enamel surface roughness after debonding using four finishing and polishing systems for residual resin removal—an in vitro study

Group * score cross tabulation
  Score Total
.00 1.00 3.00
Group Group 1 Count 0 0 2 2
% within score 0.0% 0.0% 50.0% 25.0%
Group 2 Count 2 0 0 2
% within score 100.0% 0.0% 0.0% 25.0%
Group 3 Count 0 2 0 2
% within score 0.0% 100.0% 0.0% 25.0%
Group 4 Count 0 0 2 2
% within score 0.0% 0.0% 50.0% 25.0%
Total Count 2 2 4 8
% within score 100.0% 100.0% 100.0% 100.0%
  1. Fishers exact value of 10.064 and p value of 0.029