Table 6

Kruskal-Wallis reveals a statistically significant difference of mouth opening among TMD groups.

Test Statisticsa,b


Mouth opening


Chi-square

12.368


D

3


Asymp. Sig.

.004


a. Kruskal Wallis Test

b. Grouping Variable: TMD

Kitsoulis et al. BMC Ear, Nose and Throat Disorders 2011 11:5   doi:10.1186/1472-6815-11-5

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