Navigation Links
Does it hurt?
Date:1/10/2011

It is well known that pain is a highly subjective experience. We each have a pain threshold, but this can vary depending on distractions and mood. A paper in the International Journal of Behavioural and Healthcare Research offers a cautionary note on measuring perceived pain in research.

There are many chronic illnesses and injuries that have no well-defined symptoms other than pain, but because of the subjectivity in a patient's reporting of their experience of the illness or injury, healthcare workers have difficulty in addressing the patient's needs. Moreover, when subjective reporting of pain is a critical component of a clinical trial, researchers involved in the trial often find it difficult to determine efficacy from patient to patient based on the subject's own evaluation of painful symptoms. Commonly, patients are asked to rate their pain on a zero to ten scale, where zero represents no pain whatsoever and a value of ten indicates excruciating pain. Unfortunately, one person's "8" may be another's "10" on the same scale.

When seeking to assess the effectiveness of an intervention it is common practice that patients whose post-treatment pain scores are lower than their pre-treatment scores are categorized as having undergone effective treatment. This all but ignores the subjectivity of their experience of pain, where the simple act of being "treated" may lower their perception of their pain without the underlying cause of the pain having been physically reduced.

Now, Sean Murphy of Washington State University, in Spokane, Washington, USA, and colleagues have USA, have borrowed economics theory to compare the conventional binary "pain no-pain" measure of treatment success commonly used in practice and in clinical trials with a new approach to modeling pain that allows for more "fuzzy" reporting of pain by precluding certain aspects of bias inherent in such a subjective assessment. They have then investigated how common is misclassification and how it can influence outcomes.

Their findings suggest that the chance that a typical patient misclassifies their perceived pain ranges from about 3 percent (for patients who mistakenly think they do not improve, but actually do) to about 14 percent (for patients who think they improve, but actually do not improve). As such, health outcomes researchers, practitioners and policy makers must use caution when relying solely on self-reported pain reductions as a gauge of therapy effectiveness. The team points out that their exploratory research requires follow-up work to further confirm the findings.


'/>"/>

Contact: Sean Murphy
sean_murphy@wsu.edu
Inderscience Publishers
Source:Eurekalert

Related medicine news :

1. How badly does it hurt? Research examines the biomedical diagnosis of pain
2. Why does feeling low hurt?
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/28/2017)... ... April 28, 2017 , ... Researchers ... study of ActiGraph’s CentrePoint Data Hub in a sample of participants ... clinical-grade wearable activity and sleep monitoring solutions for the global scientific community. The ...
(Date:4/28/2017)... York (PRWEB) , ... April 28, 2017 , ... ... anti-aging skincare and advanced nutraceutical supplements, through its Nova Skin Sciences division, ... the hydrating benefits of a moisturizer with the power of an anti-aging concentrate. ...
(Date:4/28/2017)... ... April 28, 2017 , ... Semrock’s ... is the premier online modeling resource for fluorescence microscopists and optical system designers, ... during last 5 years spanning the globe, SearchLight has become a tremendously popular ...
(Date:4/27/2017)... ... April 27, 2017 , ... The Incentive Research Foundation ... A Nudge Guide," a groundbreaking analysis of how behavioral economics can be applied ... immediately to IRR programs, the report highlights proven behavioral economics approaches and the ...
(Date:4/27/2017)... ... April 27, 2017 , ... The American Brain ... Public Leadership in Neurology Award (PLINA). The couple joins a prestigious list of ... President Walter Mondale, actor Michael J. Fox and former U.S. Attorney General Janet ...
Breaking Medicine News(10 mins):
(Date:4/24/2017)... April 24, 2017 Solentim, the developer ... the addition of a major new product line ... Seeding,). The VIPS has been developed for automatically ... microplates as part of the process to generate ... simple and more reliable solution when compared to ...
(Date:4/20/2017)... Ind. , April 20, 2017  Zimmer Biomet ... in musculoskeletal healthcare, today announced that it will be ... Care Conference at the InterContinental Hotel in ... Zimmer Biomet will present at 11:20 a.m. Eastern Time. ... be accessed via Zimmer Biomet,s Investor Relations website at ...
(Date:4/20/2017)... R.I. , April 20, 2017  CVS ... CVS), today unveiled a new store design to ... assortment of healthier food, health-focused products and expanded ... store to help customers discover new offerings. Together ... the next evolution of the customer experience at ...
Breaking Medicine Technology: