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Table 5 Intra-group association tests (Pearson’s x2, odds ratio) of qualitative variables—group n3 (19 to 57 years of age)

From: Dentofacial characteristics of oral breathers in different ages: a retrospective case–control study

Variables OB (n) OB % NB (n) NB % Total Pearson x 2 p value DF Lilihood x 2 OR CI 95 %
F 95 47 110 53   1.012 0,314 1 1.012   
M 56 53 51 47  
Total 151   161   312       
I 36 32 57 43        
II 63 56 58 43   3.773 0.052* 1 3.792 1.72 (0.99; 2.98)
III 14 12 19 14   0.14 0.708 1 0.14   
Total 113   134   247       
NMx 15 10 8 5        
PMx 107 73 122 80   2.862 0.091 1 2.894   
RMx 25 17 22 15   0.912 0.34 1 0.923   
Total 147   152   299       
NM 21 14 16 10        
PM 81 55 90 59   1.073 0.3 1 1.075   
RM 46 31 47 31   0.564 0.453 1 0.565   
Total 148   153   301       
NM 42 30 39 26        
IM 57 40 61 41   0.242 0.623 1 0.242   
SM 43 30 48 33   0.363 0.547 1 0.363   
Total 142   148   290       
NLAFH 26 18 34 23        
ILAFH 100 71 94 63   1.237 0.266 1 1.24   
DLAFH 15 11 21 14   0.026 0.873 1 0.026   
Total 141   149   290       
NP 22 16 26 18        
BP 43 31 50 34   0.002 0.964 1 0.002   
DP 74 53 70 48   0.444 0.505 1 0.445   
Total 139   146   285       
  1. *Significant values