Voice Handicap Index

3 papers study it7 more mention it1 finding

Human trial1
Humans2

Interventions

1

Testosterone

no changein humans1

1 study

Testosterone has no effect on Voice Handicap Index in humans.
“No significant dose- or concentration-dependent changes in self-reported voice handicap index scores were observed.”
Human trialwomen with low T levelsenanthate24 weeksfemalesn = 46
Functional Voice Testing Detects Early Changes in Vocal Pitch in Women During Testosterone Administration
The Journal of clinical endocrinology and metabolismApr 15, 2015

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Prospective Associations between Self-perceived Voice Disorders and Psychological, Social, and Physical Well-being among Community-Dwelling Older Adults

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Journal of VoiceDec 18

Nationwide Survey on the Characteristics and Treatment of Age-Related Vocal Fold Atrophy in Japan

Cohort study of 1,365 peoplePopulations

Journal of VoiceNov 12

Factors Influencing Voice Outcomes After Intracordal Trafermin Injection in Age-Related Vocal Fold Atrophy

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International Journal of Speech-language PathologyNov 15

Reliability and validity of the Turkish version of the Aging Voice Index

Cross-sectional study of 206 peopleBiomarkers

Journal of VoiceMay 5

One Year Outcomes and Longitudinal Changes in Voice Improvement With Single High Dose Intracordal Trafermin Injections for Age-Related Vocal Fold Atrophy

Cohort study of 34 peopleInterventions

Clinical OtolaryngologyJun 20

Regenerative efficacy of fibroblast growth factor for the treatment of aged vocal fold: From animal model to clinical application

Trial in peopleInterventions

Journal of Speech, Language, and Hearing ResearchApr 18

Effects of a 6-Week Straw Phonation in Water Exercise Program on the Aging Voice

Trial in peopleInterventions

The LaryngoscopeDec 6

Autologous fibroblasts for vocal scars and age-related atrophy: A randomized clinical trial

Trial in peopleInterventions

JAMA Otolaryngology-- Head & Neck SurgeryMay 26

Assessment of Clinical and Social Characteristics That Distinguish Presbylaryngis From Pathologic Presbyphonia in Elderly Individuals

Study in peoplePopulations

The Journal of Clinical Endocrinology and MetabolismApr 15

Functional Voice Testing Detects Early Changes in Vocal Pitch in Women During Testosterone Administration

Randomized trial in 71 peopleTestosterone