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Table 1 Descriptive statistics at sinus level

From: Schneiderian membrane perforation repair using a crosslinked collagen membrane: a retrospective cohort study

Variable

Sub-group

Number

%

Mean

Std

Total

 

278

100.00%

  

Gender

     
 

Male

106

38.13%

  
 

Female

172

61.87%

  

Age (years)

   

62.38

12.08

ASA classification

    
 

1

37

13.31%

  
 

2

124

44.60%

  
 

3

117

42.09%

  

Tobacco smoking

22

7.91%

  

Procedure

     
 

Unilateral

110

39.57%

  
 

Bilateral

168

60.43%

  

Surgical approach

    
 

Simultaneous

144

51.80%

  
 

Delayed

134

48.20%

  

Coverage of antrostomy defect

 

235

84.53%

  

Perforation

 

66

23.74%

  

Septa

 

53

33.33%

  

Blood vessel

 

71

44.65%

  

Sinus morphology

    
 

Round

88

55.35%

  
 

Oval

39

24.53%

  
 

Triangular

32

20.12%

  

Membrane thickness

Category

  

3.1

2.34

Alveolar ridge height (mm)

  

4.53

1.46

Bone gain (mm)

   

8.82

2.45

Lateral wall width (mm)

  

1.56

0.95

Implants¹

 

628

100.00%

2.26

0.68

EIF

 

36

12.95%

  
  1. ¹Mean accounts for the average number of implants placed in each sinus
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Head & Face Medicine

ISSN: 1746-160X

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