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Predicting surgical outcome for pain relief and return to work
C Hamlin1, M Hitchcock, J Hofmeister
1University of Colorado Health Sciences Center, Denver, USA.
Background:
We evaluated a new psychological test (Paindex) for identifying and quantifying psychological factors associated with poor surgical outcome, and predicting the degree of pain relief and return to work.
Method:
This test was administered to 120 randomly selected patients before carpal tunnel and laminectomy surgeries.
Results:
This test correctly predicted the probability of pain relief and return to work in 46 of the 50 laminectomy patients (92%), and 63 of the 70 carpal tunnel patients (90%). The overall test sensitivity was 86% and the specificity 94%.
Conclusion:
These findings indicate that this can be a useful adjunctive test for identifying psychological problems that could have a bearing on the decision to operate and then problems that could occur after surgery, particularly in cases where the extent and degree of pain and disability are judged to be considerably in excess of the objective medical findings.