International Journal of Implant Dentistry

Table 6 Results from a multivariable random effects regression model of all angles on age (in groups) gender and point of measurement

From: Thickness of the Schneiderian membrane and its correlation with anatomical structures and demographic parameters using CBCT tomography: a retrospective study

Factor	Difference	95% CI	p value
Age (years)
< 45^a	0
45–54	− 0.9	(− 5.7, 3.9)	0.724
55–64	− 1.4	(− 5.5, 2.8)	0.520
65+	− 0.6	(− 5.0, 3.9)	0.806
Gender
Male^a	0
Female	− 2.5	(− 5.4, 0.5)	0.097
Position
1 (AR/AL)^a	0
2(BR/BL)	10.0	(7.8, 12.3)	< 0.001
3 (CR/CL)	2.2	(−0.0, 4.5)	0.051

^aReference category

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