Distribution of different morphological types of anterior epitympanic plate “cog” and Köerner’s septum in CT images of cholesteatomatous and non-cholesteatomatous CSOM: is it really significant?

Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Comparison between the cholesteatoma and non-cholesteatoma according to Köerner septum

	Total (n = 86)	Final diagnosis		χ²	p
	Total (n = 86)	Cholesteatoma (n = 49)	Non-cholesteatoma (n = 37)	χ²	p
Köerner septum
Absent	15 (17.4%)	12 (24.5%)	3 (8.1%)	3.929^*	0.047^*
Present	35 (40.7%)	13 (26.5%)	22 (59.5%)	9.471^*	0.002^*
Non-evaluable	36 (41.9%)	24 (49%)	12 (32.4%)	2.372	0.124
χ² (p)	10.239 ^(0.006^)