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Hypochondriasis influences quality-of-life outcomes in patients with chronic fatigue
1Department of Psychiatry, Long Island Jewish Medical Center, New Hyde Park, N.Y., USA.
Background:
To determine how hypochondriacal symptoms influence the quality-of-life outcomes of patients with a chief complaint of chronic fatigue.
Methods:
Cross-sectional cohort study of a consecutive sample of 71 patients (mean duration of fatigue of 4.1 years). Forty-eight (68%) patients met criteria for current major depression and 32 (45%) met criteria for chronic fatigue syndrome (CFS). All patients received a comprehensive medical and psychiatric evaluation. Quality-of-life and physical, depressive and hypochondriacal symptom scores were assessed through reliable self-report questionnaires and a structured interview. A path model expressing the relation between predictor variables (hypochondriasis and depression), intervening variables (physical symptoms) and quality of life was postulated and evaluated using structural equation methods.
Results:
The paths linking hypochondriasis with physical symptoms and mental health and the path connecting physical symptoms and quality of life were each statistically significant. The model applied especially well to patients who fulfilled CFS criteria.
Conclusions:
The quality of life of chronic fatigue patients correlates with the severity of their physical symptoms and their hypochondriacal disposition toward illness.