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Table 3 Factors influencing sinus mucosal thickness (> 2 mm rate: odds ratio)

From: Factors influencing the sinus membrane thickness in edentulous regions: a cone-beam computed tomography study

Variable

Category (> 2 mm rate)

OR1

P value

Sex

Male: 46.2%

6.86

0.0035**

Female: 11.1%

Age

< 55 years: 22%

1.26

0.57

≥ 55 years: 28%

Systemic diseases

+: 33.3%

2.60

0.51

−: 19.4%

Time after tooth extraction

< 6 months: 35.7%

2.33

0.25

≥ 6 months: 19.2%

Smoking

+: 44.4%

4.21

0.13

−: 16.1%

Reason for tooth extraction

per (+): 50.0%

7.67

0.0073**

per (−): 11.5%

Residual bone height

< 2.5 mm: 20.7%

3.84

0.31

≥ 2.5 mm: 36.3%

Septa

+: 60.0%

6.00

0.22

−: 20.0%

Nasal division

+: 41.6%

3.29

0.11

−: 17.9%

  1. *p < 0.05; **p < 0.01