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Table 3 Summary of results from Kruskal-Wallis test

From: Long-term clinical and bacterial effects of xylitol on patients with fixed orthodontic appliances

Variables Period Chi-square Df P value
Plaque Baseline—Plaque 1.126 2 0.57
3rd month—plaque 0.945 2 0.624
6th month—plaque 4.815 2 0.09
12th month—plaque 8.687 2 0.013
Plaque MS counts Baseline—MS counts 1.36 2 0.507
3rd month—MS counts 8.316 2 0.016
6th month—MS counts 4.851 2 0.088
12th month—MS counts 4.309 2 0.116
Salivary MS counts Baseline—saliva 4.432 2 0.109
3rd month—saliva 2.535 2 0.282
6th month—saliva 0.968 2 0.616
12th month—saliva 2.993 2 0.224