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Updated: Aug 9, 2026
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Dynamic Quantitative Sensory Testing to Characterize Central Pain Processing
Published on: February 16, 2017
Do quantitative changes in pain intensity correlate with pain relief and satisfaction?
S A Stahmer1, F S Shofer, A Marino
1Department of Emergency Medicine, Hospital of the University of Pennsylvania, Philadelphia, USA. stahmersarah@cooperhealth.edu
Summary
Patients with severe pain need greater pain intensity reduction for relief. Pain relief is linked to satisfaction, but only partially contributes to overall satisfaction with pain management.
Area of Science:
- Emergency Medicine
- Pain Management
- Patient Satisfaction
Background:
- Effective pain management is crucial in emergency settings.
- Patient-reported outcomes, including pain relief and satisfaction, are key metrics.
- Understanding the relationship between pain reduction and perceived relief is essential.
Purpose of the Study:
- To correlate measured changes in pain intensity (PI) with patient-reported pain relief and satisfaction.
- To investigate if initial pain severity influences the degree of PI reduction needed for perceived relief.
Main Methods:
- Prospective, single-group, repeated-measures study design.
- Patients recorded pain intensity using Numerical Descriptor Scale (NDS) and Visual Analog Scale (VAS) at presentation and ED release.
- Pain relief and satisfaction were assessed using validated scales at ED release.
Main Results:
- An average PI reduction of 33% was observed across 81 enrolled patients.
- Significant correlations were found between PI reduction percentages and levels of pain relief (p < 0.001).
- Patients with higher initial PI (NDS > 5) required greater PI reductions (35-84%) for relief compared to those with lower initial PI (25-29%).
Conclusions:
- A significant association exists between PI changes and pain relief.
- Patients with more severe initial pain require larger PI reductions to achieve adequate pain relief.
- While pain relief positively correlates with satisfaction, it only partially explains overall satisfaction with pain management.
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