| Summary: | Aim of the work: To evaluate the quality of life (QoL) in Familial Mediterranean Fever (FMF) patients, and determine its association with fatigue, depression, disease severity and other clinical parameters. Patients and methods: Sixty FMF patients were included. QoL was assessed by Short Form-36 (SF-36), depression by Hamilton Depression Scale (HDS), and fatigue by Fatigue severity scale (FSS). Disease severity score and Mutations of the Mediterranean fever (MEFV) gene were assessed. Results: The mean age of patients was 33.73 ± 9.81 years and disease duration 14.6 ± 12.1 years. They were 35 females and 25 males. FMF patients scored significantly higher in FSS (29.9 ± 17.6) and HDS (15.1 ± 8.5) compared to the control (10.6 ± 7.1 and 6.3 ± 9.4; p < 0.0001 respectively) while all SF36 sub-items except mental health were significantly lower (p < 0.05). MEFV gene mutation was present in 49 (81.7%) patients. The visual analogue scale of pain significantly negatively correlated with the FSS (p < 0.0001), HDS (p < 0.0001) and all SF36 sub-items except mental health (p < 0.0001). Disease duration, age of onset, and duration of attacks showed no significant correlation with FSS, HDS and SF36. Delay in diagnosis significantly correlated with FSS (p < 0.0001) and negatively with SF36 sub-items physical role (p = 0.02), general health (p = 0.01) and social functioning (p = 0.03). Age of diagnosis significantly correlated with FSS (p = 0.03) and negatively with SF36-vitality (p = 0.047). There was a significant effect of disease severity on QoL, fatigue and depression (p < 0.05). Conclusion: QoL is associated with fatigue, depression and disease severity in FMF patients. It should be used in routine clinical evaluation as an outcome measure in FMF. Keywords: Familial Mediterranean Fever, Quality of life, Fatigue, Depression, Disease severity
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