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Table 4 Frequency and percentages of different bridge classes and shape in group I (transverse) and group II (normal) and comparison between them using Chi square test:

From: Sella turcica variations in patients with transverse skeletal discrepancies versus patients with normal transverse relationships. a cross- sectional study

 

Group I

Group II

P value

N

%

N

%

Bridging Class

Class I

24

92.3%

19

73.1%

0.07

Class II

2

7.7%

7

26.9%

0.08

Class III

0

0

0

0

-------

P value

< 0.0001*

< 0.0001*

 

Shape

Flat

7

26.9%

2

7.7%

0.08

Rounded

16

61.5%

15

57.7%

0.71

Oval

3

11.5%

9

34.18%

0.02*

P value

0.006*

< 0.0001*

 
  1. N: count %: percentage
  2. P: probability level significant at P* ≤ 0.05