The Visual Time Analog Scale: Simple, Novel Measurement Approach to Assess Pain in Patients with Chronic Pain

Abstract

Aim: We conducted a preliminary evaluation of a newly developed, time-based visual time analog (VITA) scale for measuring pain in chronic pain patients. Materials & methods: 40 patients with chronic back pain rated their pain over four visits using numerical (pain) rating scale (NRS) and VITA assessing pain intensity by distributing the amount of time spent on ‘not aware of pain’ (blue), ‘aware of nothing but pain’ (red) and time in between (yellow). Results: The NRS scores were correlated with the VITA Red but not with VITA Blue. The psychometric analyses revealed that VITA achieved greater reliability and sensitivity than did NRS. Conclusion: The results provide preliminary support for VITA scale for assessing pain intensity in patients with chronic pain.

Keywords::

• chronic pain
• pain scale
• psychometrics
• reliability

Acknowledgments

The authors would like to thank Gail Minaga of Creative Awards for her technical assistance to our project.

Financial & competing interests disclosure

The preparation of this manuscript was supported by a grant from the National Institute of Nursing Research, R21NR010778 to Dr Donaldson. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.

No writing assistance was utilized in the production of this manuscript.

Ethical conduct of research

The authors state that they have obtained appropriate institutional review board approval or have followed the principles outlined in the Declaration of Helsinki for all human or animal experimental investigations. In addition, for investigations involving human subjects, informed consent has been obtained from the participants involved.

Additional information

Funding

The preparation of this manuscript was supported by a grant from the National Institute of Nursing Research, R21NR010778 to Dr Donaldson. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed. No writing assistance was utilized in the production of this manuscript.