Table 3 Descriptive statistics, results of Kruskal-Wallis and Mann-Whitney U tests for comparison between membrane thicknesses of different morphologies
From: Crestal endoscopic approach for evaluating sinus membrane elevation technique
Morphology | Mean ± SD (mm) | Median (range) | P value | Perforation rate (%) |
|---|---|---|---|---|
Flat (n = 4) | 2.12 ± 1.45 | 1.75 (0.8–4.20) | 0.008* | 0 |
Irregular (n = 4) | 2.83 ± 1.64 | 2.95 (0.90–4.50) | 16.67 | |
Polyp (n = 4) | 8.10 ± 1.64 | 7.75 (6.50–10.40) | 0 |