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Online Question-answering and Conventional Consultation With a Dermatologist

This study has been completed.
Information provided by (Responsible Party):
University of Zurich Identifier:
First received: October 10, 2013
Last updated: December 2, 2014
Last verified: December 2014

Comparison of online question-answering system and conventional consultation for dermatological questions:

  • same diagnosis?
  • same information, which had been collected?
  • same recommendations about treatment?
  • what were the relevant differences of the two?

Condition Intervention Phase
Skin Diseases
Procedure: observation
Phase 4

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Retrospective
Official Title: Online Question-answering and Conventional Consultation With a Dermatologist

Further study details as provided by University of Zurich:

Primary Outcome Measures:
  • Correlation of online and clinical diagnosis by Spearman's Rho [ Time Frame: physical consultation date ] [ Designated as safety issue: No ]

Enrollment: 100
Study Start Date: November 2013
Study Completion Date: September 2014
Primary Completion Date: September 2014 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
observation group
Procedure: observation
intervention is the contact with online question answering serice ad subseudd

Detailed Description:

mainly, ICD codes and dermatological diagnosis codes according to the AAD will be used.


Ages Eligible for Study:   1 Year and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population

persons with a question on skin disease


Inclusion criteria:

- a conventional dermatological consultation after a question in the online question-answering system.

Exclusion criteria:

-power of veto after information of patient

  Contacts and Locations
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Please refer to this study by its identifier: NCT01969422

University Hospital Zurich, Department of Dermatology
Zurich, ZH, Switzerland, 8091
Sponsors and Collaborators
University of Zurich
Principal Investigator: Guenther Hofbauer, Prof MD University Hospital Zurich, Department of Dermatology
  More Information

No publications provided

Responsible Party: University of Zurich Identifier: NCT01969422     History of Changes
Other Study ID Numbers: 2013-0340
Study First Received: October 10, 2013
Last Updated: December 2, 2014
Health Authority: Switzerland: Swissmedic processed this record on February 27, 2015