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Updated: Aug 11, 2026

An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)
Published on: January 27, 2010
Children's pain predictions and memories
J Lander1, M Hodgins, S Fowler-Kerry
1University of Alberta, Edmonton, Canada.
Insights
Children
Area of Science:
- Pediatric Psychology
- Pain Management
- Child Psychology
Background:
- Understanding children's pain perception is crucial for effective management.
- Anxiety and memory significantly influence pain reporting in pediatric populations.
- Previous research on pain prediction and recall in children has yielded varied results.
Purpose of the Study:
- To explore expected, experienced, and recalled pain and anxiety in children undergoing venipuncture.
- To investigate the relationship between anxiety and pain overestimation.
- To identify response patterns in children's pain prediction and recall.
Main Methods:
- Cross-sectional descriptive study involving 138 children (aged 5-17) undergoing outpatient venipuncture.
- Assessment of state anxiety and expected pain (visual analogue scale) pre-procedure.
- Evaluation of sensory and affective pain post-procedure and recall of pain after two months.
Main Results:
- Children demonstrated good recall of pain, particularly affective pain over sensory pain.
- Pain prediction accuracy was poor, with overestimation linked to anxiety, not experienced pain.
- Four distinct response patterns (realism, irrelevance, over-reaction, denial) were identified.
Conclusions:
- Children's pain recall is generally accurate but influenced by anxiety.
- Identified response patterns may offer insights into children's pain coping and avoidance behaviors.
- Discrepancies with prior research highlight the impact of statistical methodologies on pain data interpretation.
Abstract:
A cross-sectional descriptive design was utilized to explore expected, experienced and recalled pain, and anxiety. Subjects were 138 children (5-17 yr) who were attending an outpatient laboratory for venipuncture. They reported state anxiety and expected visual analogue scale pain prior to having venipuncture. Following venipuncture, they reported sensory and affective pain. Two months afterward, subjects were contacted and asked to recall sensory and affective pain from the venipuncture. Analysis of data determined that children's recall of pain was quite good although better for affective pain than sensory pain. Prediction accuracy for pain was not good. From analysis it was determined that overestimation of pain was related to anxiety but not to greater experienced pain. Four patterns of responses were identified when prediction and recall accuracy were further examined. These patterns were designated as realism, irrelevance, over-reaction and denial. It was suggested that these patterns of response may provide clues about avoidance and coping behavior for children's pain. In general, the results of this study did not support previous research. It was demonstrated that various statistical techniques which have been employed in research on this topic have influenced the interpretation of pain prediction and recall data.
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