# Correlation of the Neck Disability Index (NDI) and Voice Handicap Index (VHI) in Neck Pain Patients and Patients With Voice Disorders

> **NCT02868762** · — · COMPLETED · sponsor: **University of Zurich** · enrollment: 175 (actual)

## Conditions studied

- Neck Pain and/or a Voice Disorder

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT02868762
- **Lead sponsor:** University of Zurich
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-07
- **Primary completion:** 2017-07
- **Final completion:** 2017-07
- **Target enrollment:** 175 (ACTUAL)
- **Last updated:** 2017-11-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02868762

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02868762, "Correlation of the Neck Disability Index (NDI) and Voice Handicap Index (VHI) in Neck Pain Patients and Patients With Voice Disorders". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT02868762. Licensed CC0.

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