Sinus N Sinus without septum N Sinus with septa Pb value
Right (n = 98) 56 36.9 (5) 42 38.6 (4.5) 0.21c
left (n = 98) 50 35.8 (6.1) 48 37.9 (3.8) 0.04d

aAnteroposterior dimension expressed as mean values (standard deviation) in mm.
bTested between AP dimensions of maxillary sinus with and without septa.
cThe mean differences are not significant at 95% significance level.
dThe mean differences are significant at 95% significance level.