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. 2012 Aug 2;12:26. doi: 10.1186/1472-6831-12-26

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 p < 0.001.