Unmet supportive care needs mediate the relationship between functional status and quality of life in patients with amyotrophic lateral sclerosis

초록

Objective The aims of this study were to identify the unmet care needs and to examine the mediating effect of unmet supportive care needs in the relationship between functional status and quality of life (QOL) in Korean patients with amyotrophic lateral sclerosis (ALS). Method This was a cross-sectional study conducted among 186 patients with ALS recruited from a tertiary hospital in Seoul, South Korea. ALS patients' functional status, unmet supportive care needs, and QOL were assessed by Amyotrophic Lateral Sclerosis Functional Rating Scale-Revised, the Amyotrophic Lateral Sclerosis Supportive Care Needs Instrument, and the Amyotrophic Lateral Sclerosis Specific Quality of Life - Revised Instrument, respectively. Mediation analysis was tested using Baron and Kenny's regression analysis and a Sobel test. Result The mean score for functional status was 33.35 +/- 8.89; for unmet supportive care needs it was 2.40 +/- 0.66; and for QOL it was 4.95 +/- 1.29. Functional status was significantly correlated with unmet care needs and QOL. Unmet care needs satisfaction demonstrated a complete mediating effect on the relationship between functional status and QOL of the patients with ALS (beta = -0.53, p < 0.001) and the effect was significant (Sobel test; Z = 5.48, p < 0.001).

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