Cancer Pain Assessment Tool in Korea; Validation

Clinical Study

Development of a Cancer Pain Assessment Tool in Korea: A Validation Study of a Korean Version of the Brief Pain Inventory

Young Ho Yuna, Tito R. Mendozae, Dae Seog Heoc, Taiwoo Yooc, Bong Yul Heoc, Hyeoun-Ae Parkd, Ho Cheol Shinb, Xin Shelley Wange, Charles S. Cleelande

aResearch Institute and Hospital, National Cancer Center, Goyang, and bSungkyunkwan University School of Medicine, cSeoul National University School of Medicine, and dSeoul National University College of Nursing, Seoul, Korea; ePain Research Group, Department of Symptom Research, The University of Texas M.D. Anderson Cancer Center, Houston, Tex., USA

Objective: The aim of this study was to validate the Korean version of the Brief Pain Inventory (BPI-K), a pain assessment tool that has been validated in several languages.

Methods: The sample consisted of 132 patients in Seoul who had recurrent or metastatic cancer and who expressed pain.

The Korean version of the Beck Depression Inventory (BDI-K), the Eastern Cooperative Oncology Group (ECOG) performance status score, the Pain Management Index (PMI), and the PMI-Revised (PMI-R) were used to further validate the BPI-K.

Results: Cronbach alphas, computed for the pain interference and pain severity item, were 0.93 and 0.85, respectively. Confirmatory factor analysis of the BPI-K items showed a two-common-factor solution for the BPI-K, consistently demonstrated in other language versions of the BPI.

The mean pain interference score was more correlated with the BDI-K scale (r = 0.44) and ECOG (r = 0.39) than the mean pain severity score. Seventy-four percent of the patients in the Seoul sample had inadequate analgesia using the PMI.

Conclusion: The BPI-K is a valid and useful instrument for assessing cancer pain and pain impact in Korea.

Oncology 2004;66:439-444 (DOI: 10.1159/000079497)

Tito R. Mendoza Pain Research Group, University of Texas M.D. Anderson Cancer Center, 1100 Holcombe Boulevard, Box 221 Houston, TX 77030 (USA) Tel. +1 713 745 3486, Fax +1 713 745 3475

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