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Correlation between subjective and objective voice analysis pre- and post-shift among teleoperators in a tertiary
M Rahman1, J Saniasiaya1, M Z Abu Bakar1
1Department of Otorhinolaryngology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia.
Objective:
Teachers and singers have been extensively studied and are shown to have a greater tendency to voice disorders. This study aimed to investigate the correlation between subjective and objective voice analysis pre- and post-shift among teleoperators in a tertiary hospital.
Methods:
This was a prospective cohort study. Each patient underwent pre- and post-shift voice analysis.
Results:
Among 42 teleoperators, 28 patients (66.7 per cent) completed all the tests. Female predominance (62 per cent) was noted, with a mean age of 40 years. Voice changes during working were reported by 48.1 per cent. Pre- and post-shift maximum phonation time (p < 0.018) and Voice Handicap Index-10 (p < 0.011) showed significant results with no correlation noted between subjective and objective assessment.
Conclusion:
Maximum phonation time and Voice Handicap Index-10 are good voice assessment tools. The quality of evidence is inadequate to recommend 'gold standard' voice assessment until a better-quality study has been completed.
