• Yeonsil Moon, Yoon Sook Kim, Jongmin Lee, and Seol Heui Han.
• Department of Neurology, Konkuk University Medical Center, Seoul, Korea.
• J. Korean Med. Sci. 2017 Nov 1; 32 (11): 185218561852-1856.

AbstractPain is often associated with a more rapid progression of cognitive and functional decline, and behavioral disturbance in dementia. Therefore, it is essential to accurately assesses pain for proper intervention in patients with dementia. The Face, Legs, Activity, Cry, and Consolability (FLACC) scale is an excellent behaviour scale which includes most of the domains that are recommended by the American Geriatrics Society to evaluate when assessing pain in patients with dementia. The purpose of this study was to develop the Korean version of the FLACC (K-FLACC) and to verify its reliability and validity in assessing pain of elderly patients with dementia. We developed the K-FLACC to consist of the five domains (face, legs, activity, cry, and consolability) with scores of 0, 1, and 2 for each domain and a total score ranging from 0 to 10 as in the original FLACC. Eighty-eight patients with dementia who visited Konkuk University Medical Center were evaluated. The K-FLACC revealed good validity as compared to the Numeric Rating Scale (NRS; r = 0.617, P < 0.001) and the Face Pain Scale (FPS; r = 0.350, P = 0.001). All of the five domains of the K-FLACC were related to the NRS and FPS, in which the activity domain showed the highest correlation. Test-retest reliability was excellent, as the intra-class correlation coefficient comparing the retest to test was 0.73 (95% confidence interval, 0.59-0.82). Our results show that the K-FLACC is a suitable and valuable scale to assess pain in patients with dementia in Korea.© 2017 The Korean Academy of Medical Sciences.

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