Fig. 2
From: Aditus ad antrum patency on CT as a predictor of tympanoplasty outcomes in chronic otitis media
Comparison of the mean postoperative air–bone gap (ABG, dB HL) between the blocked aditus group and patent aditus group. * P < 0.05; ** P < 0.01; *** P < 0.001; MERI, middle ear risk index.
