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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: J Am Coll Surg. 2014 May 29;219(4):765–770. doi: 10.1016/j.jamcollsurg.2014.04.013

Table 5.

Annual Hospital Volume By Thyroidectomy Type and IONM

All thyroidectomies Partial thyroidectomy Total thyroid without neck
dissection		 Total thyroid with neck
dissection
Conventional IONM Conventional IONM Conventional IONM Conventional IONM
<75 1.5% 2.1%** 1.0% 1.3% 1.5% 2.1%* 5.3% 5.4%
75-299 1.3% 1.7%* 0.9% 2.1%** 1.2% 1.6% 3.8% 0.8%**
>300 1.0% 1.7%* 0.8% 3.5%** 0.7% 1.4% 2.4% 0*
*

p < 0.05.

†

p<0.001