Can otoplasty impact hearing? A prospective randomized controlled study examining the effects of pinna position on speech reception and intelligibility

Table 1 Patient characteristics and pinna measurements

Subject	Age	M/F	Helix-to-mastoid distance (mm)
			Neutral	Forward	Difference
1	34	M	21	22	1
2	33	M	22	26	4
3	28	M	19	25	6
4	27	M	20	27	7
5	26	M	22	26	4
6	26	M	20	23	3
7	37	F	11	19	8
8	28	F	19	23	4
9	42	F	15	19	4
10	35	F	11	18	7
11	36	M	20	26	6
12	43	F	15	22	7
13	40	M	17	25	8
14	25	F	18	25	7
15	33	F	17	23	6
16	22	M	15	21	6
17	28	M	21	26	5
Mean	31.9		17.8	23.3	5.5

M: male, F: female, mm: millimeters, Neutral: pinna in neutral position, Forward: pinna in forward position.

ISSN: 1916-0216