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Table 3 Relative importance of variables with statistical significance in the formation of clusters, ranked by chi-square test values

From: Profiling the clinical presentation of diagnostic characteristics of a sample of symptomatic TMD patients

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

  1. * All Chi-square values were p < 0.001.