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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