Comparing Frequency and Severity Ratings for ME/CFS versus Controls

Most questionnaires for somatic symptoms focus on occurrence, frequency, or severity, and in doing so, they might not be able to comprehensively assess the burden that present patients. For example, a symptom occur at high frequency but only minimal so it is less likely patient; whereas has both severity more negatively impacting patient. Study 1 examined scores classic Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) among patients with ME/CFS versus control group. Findings indicate there were frequency/severity discrepancies individuals concluded collecting data measures of provides unique indicators can better In separate set, 2 reported reliability slight differences time period way was assessed. findings indicated levels these changes questions asked. These studies provide important psychometric properties could lead reliable valid assessments post-viral illnesses.