. Author manuscript; available in PMC: 2014 Jan 31.

Published in final edited form as: Laryngoscope. 2013 Jul 8;123(12):3066–3073. doi: 10.1002/lary.24268

Table 3.

Dilations

	No. of dilations
Total No. of dilations	271
Dilation technique
Guidewire dilation	208
Dilation without guidewire	21
Ante-retrograde dilation	42
No. of dilations within 1^st year	No. of patients
1	57
2	32
3	11
4–8	11