Responsiveness and predictive validity of the computerized digit vigilance test in patients with stroke

Sheau Ling Huang, Tzu Ting Chen, Gong Hong Lin, Chien Te Wu, I. Ping Hsueh, Ching Lin Hsieh

Research output: Contribution to journalArticle

Abstract

Purpose: To investigate the responsiveness and predictive validity of the computerized digit vigilance test (C-DVT) in inpatients receiving rehabilitation following stroke. Methods: Forty-nine patients completed the C-DVT and the Barthel Index (BI) after admission to and before discharge from the rehabilitation ward. The standardized response mean (SRM) was used to examine the responsiveness of the C-DVT. We used a paired t-test to determine the statistical significance of the changes in scores on the C-DVT. We estimated the predictive validity of the C-DVT with the Pearson correlation coefficient (r) to investigate the association between the scores of the C-DVT at admission and the scores of the BI at discharge. Results: Our data showed a small SRM (−0.31) and a significant difference (paired t-test, p = 0.034) between the C-DVT scores at admission and discharge. These findings indicate that the C-DVT can appropriately detect changes in sustained attention. In addition, we found a moderate association (r = 0.48) between the scores of the C-DVT at admission and the scores of the BI at discharge, suggesting the sufficient predictive validity of the C-DVT. Conclusions: Our results showed that the C-DVT had adequate responsiveness and sufficient predictive validity in inpatients receiving rehabilitation following stroke.Implications for rehabilitation The computerized digit vigilance test (C-DVT) had adequate responsiveness to be an outcome measure for assessing the sustained attention in inpatients receiving rehabilitation after stroke. The C-DVT had sufficient predictive validity to predict daily function in inpatients receiving rehabilitation after stroke.

Original languageEnglish
Pages (from-to)2683-2687
Number of pages5
JournalDisability and Rehabilitation
Volume41
Issue number22
DOIs
Publication statusPublished - Oct 23 2019
Externally publishedYes

Keywords

  • attention
  • responsiveness
  • Stroke
  • validity

ASJC Scopus subject areas

  • Rehabilitation

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