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. 2017 Oct 19;58(3):458–466. doi: 10.1007/s12020-017-1443-x

Table 4.

Type of thyroid surgery with and without IONM

Non-monitored group (visual RLN identification) Monitored group (RLN identification with IONM) P value
Number of reoperations 24 (100%) 37 (100%)
Total resections 17 (71%) 35 (94%) p =  0.043 **
Near-total resections 4 (17%)
Dunhill operations 1 (4%) 1 (3%)
Subtotal thyroidectomy 2 (8%) 1 (3%)

The bold values are statistically significant

RLN recurrent laryngeal nerve, IONM intraoperative nerve monitoring

** Fisher’s exact test