Calculated - Total score based on a 9-item questionnsiares assessing how fatigue interferes with certain activities and its severity. Schwartz, Jandorf & Krupp, 1993 (PubMed ID: 8229906) Scale 1 - 7 for individual items; 7 - 63 for overall score. Higher score indicates greater fatigue severity, while 36 indicates fatigue.

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