Figure 1From: An epidemiologic study of factors associated with nasal septum deviation by computed tomography scan: a cross sectional study The severity of maxillary sinus was considered as 1 if there was an incomplete involvement. If there was an S shape deviation in septum, the more deviated angle was considered for analysis. In this picture, the septum is deviate first to left (green color) and then to right (red color), but because the deviation to right was much more than the other side, the first deviation to left was ignored.Back to article page