TABLE I Overall Pre- and Postoperative Voice Assessments TABLE I Overall Pre- and Postoperative Voice Assessments TABLE I Overall Pre- and Postoperative Voice Assessments
Preoperative Mean (SD) Postoperative Mean (SD)
Difference (CI 95%)
P
Grade 0.91 (0.31) 0.72 (0.25) - 0.19 (-0.07 to 0.43) .50
Roughness 0.63 (0.21) 0.45 (0.15) - 0.18 (-0.01 to -0.34) .30
Breathiness 0.45 (0.15) 0.45 (0.15) 0 (-0.13 to 0.13) .97