From: Schneiderian membrane perforation repair using a crosslinked collagen membrane: a retrospective cohort study
Variable
O.R
CI
p-vlaue
Membrane thickness
1–2 mm
0.8
0.4–1.82
0.68
2–3 mm
0.97
0.39–2.41
0.94
> 3 mm
0.54
0.28–1.07
0.08*
Age
1.03
1-0.07
0.07*
Residual bone
0.86
0.72–1.05
0.14