Table 5. Postoperative audiological gain in younger patients.

CWU, canal wall up; CWD, canal wall down; AB, air-bone

Surgical procedure	Time point	Mean preoperative AB Gap (dB)	SD (±)	Mean postoperative AB gap (dB)	Mean audiological gain (dB)	SD (±)
CWU	3 months	27.76	2.64	35.28	7.52	2.41
	6 months	27.76	2.64	35.06	7.30	2.54
	9 months	27.76	2.64	34.96	7.20	2.65
CWD	3 months	28.36	1.51	34.62	6.26	2.85
	6 months	28.36	1.51	34.16	5.80	3.41
	9 months	28.36	1.51	34.26	5.90	3.54
Total (CWU + CWD)	3 months	27.90	2.43	35.13	7.23	2.53
	6 months	27.90	2.43	34.87	6.97	2.77
	9 months	27.90	2.43	34.80	6.90	2.86