Objective The purpose of present study was to validate a Korean version of the Voice
Catastrophization Index for assessing catastrophization in patients with voice problems in a
Korean population. Methods Case group patients with voice problems (n= 80) and control
group patients without voice problems (n= 25) participated in the study. They were asked to
complete three questionnaires: Korean Voice Handicap Index, Korean Voice-Related
Quality of Life, and Korean Voice Catastrophization Index (K-VCI). Some of case group with …