Table 3. Surgical procedures in middle-aged and younger patients.

CWU, canal wall up; CWD, canal wall down

Surgical procedure	Middle-aged patients (no. of cases)	Younger patients (no. of cases)	p-value
Mastoidectomy by CWU	22 (63%)	27 (77%)	0.0268
Mastoidectomy by CWD	13 (37%)	8 (23%)	1.0000