# Usability Comparison of a mHealth Application for Pre-anesthesia Evaluation Before and After Re-design of User Interface

> **NCT04070261** · — · COMPLETED · sponsor: **National Taiwan University Hospital** · enrollment: 30 (actual)

## Conditions studied

- Usability
- Anesthesia

## Interventions

- **OTHER:** iOS application usability test

## Key facts

- **NCT ID:** NCT04070261
- **Lead sponsor:** National Taiwan University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-10-01
- **Primary completion:** 2022-03-14
- **Final completion:** 2022-07-31
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2023-03-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04070261

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04070261, "Usability Comparison of a mHealth Application for Pre-anesthesia Evaluation Before and After Re-design of User Interface". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04070261. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*