Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
Objective: To investigate the reproducibility of the Dutch translation of the Voice Handicap Index (VHI) by performing a test-retest study. To determine the relationship between the test-retest differences and the VHI scores.
Patients And Methods: A group of 104 patients (56 male, 48 female) with voice complaints completed the VHI twice with a mean interval of 13 days.
Results: There were no differences in scores between male and female patients. There was a good correlation between the first and the second measurement (r=0.95). The difference between two VHI scores of any one patient and the total score were not related. We found that a 14-point difference in total score of the Dutch VHI for 1 patient at two points in time is significant.
Conclusion: The Dutch version of the VHI has a good reproducibility. When used for clinical evaluation studies of patients with voice complaints, a difference of 14 points between two measurements is significant.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1159/000089613 | DOI Listing |
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