The Clinical journal of pain · 2002
Comparison of multiple against single pain intensity measurements in complex regional pain syndrome type I: analysis of 54 patients.
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Forouzanfar Tymour, Kemler Marius, Kessels Alfons G H, Köke Albere J A, van Kleef Maarten, Weber Wilhelm E J
Аннотация
OBJECTIVE: To describe the comparison of multiple and single pain ratings in patients with complex regional pain syndrome type I (CRPS I).
DESIGN: Correlation, agreement, and reliability analyses were performed between the average pain intensity measured 3 times a day over a course of 4 days and one single pain rating (designated the "recalled average" pain, as assessed by the patient) before treatment and at 1-, 3-, and 6-month periods after treatment.
PATIENTS: The patient population consisted of 54 patients with CRPS I in a randomized trial.
RESULTS: The results show that both measurements correlate and have excellent agreement. Furthermore, both ratings measure significant pain reduction after treatment; "recalled average" pain, however, reflects greater change in pain intensity.
CONCLUSIONS: In patients with CRPS I a single pain rating is an accurate predictor of the average pain measured by a multiple pain-rating test. Moreover, both assessments are accurate enough to determine changes in pain over time with an effective treatment.
DESIGN: Correlation, agreement, and reliability analyses were performed between the average pain intensity measured 3 times a day over a course of 4 days and one single pain rating (designated the "recalled average" pain, as assessed by the patient) before treatment and at 1-, 3-, and 6-month periods after treatment.
PATIENTS: The patient population consisted of 54 patients with CRPS I in a randomized trial.
RESULTS: The results show that both measurements correlate and have excellent agreement. Furthermore, both ratings measure significant pain reduction after treatment; "recalled average" pain, however, reflects greater change in pain intensity.
CONCLUSIONS: In patients with CRPS I a single pain rating is an accurate predictor of the average pain measured by a multiple pain-rating test. Moreover, both assessments are accurate enough to determine changes in pain over time with an effective treatment.