Table 3

Relative importance of variables with statistical significance in the formation of clusters, ranked by chi-square test values
Cluster n Variable Frequency Chi- square*
Yes No
I 72 LMP 65 7 99.4
DDWOR - 72 26.5
Brux 22 50 24.5
CMP - 72 20.8
DDWR - 72 10.4
MMP - 72 9.9
II 83 DDWR 37 46 77.0
Tend 25 58 68.0
Cap/Syn 3 80 21.3
POA 9 74 16.7
LMP 11 72 16.5
DDWOR 7 76 14.4
MMP - 83 11.4
III 35 MMP 35 - 255.6
Brux 17 18 45.7
LMP 1 34 15.5
Cap/Syn - 35 12.2
IV 46 CMP 46 - 159.3
LMP 46 - 87.5
DDWOR - 46 16.9
Cap/Syn - 46 16.0
V 72 Cap/Syn 72 - 207.4
LMP - 72 37.8
DDWOR 37 35 22.0
CMP - 72 20.8
SOA - 72 12.0
Brux - 72 9.6
VI 49 DDWOR 48 - 125.9
LMP - 49 25.8
Cap/Syn - 49 17.0
Sublux 3 46 16.4
CMP 21 28 11.8

* All Chi-square values were pā€‰<ā€‰0.001.

e Silva Machado et al.

e Silva Machado et al. BMC Oral Health 2012 12:26   doi:10.1186/1472-6831-12-26

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