Document Classification

Section Type: RESULTS

Text: The following differences were found for operations without vs. with IONM : identification rate of the EBSLN was 34. 3 % vs. 83. 8 % (p < 0. 001), whereas a 10 % or higher decrease in phonation parameters was found in 10 % vs. 2 % patients for MPT (p = 0. 018), 13 % vs. 2 % for VL (p = 0. 003), and 9 % vs. 1 % for Fo (p = 0. 03), a change in the GRBAS scale > 4 points in 7 % vs. 1 % (p = 0. 03), and temporary RLN injury was found in 2 % vs. 1 % (p = 0. 56), respectively.