Figure 1
From: Psychometric properties of the CDC Symptom Inventory for assessment of Chronic Fatigue Syndrome

Mean scores for Symptom Inventory by subject classification. All post-hoc comparisons between never fatigued and CFS or ISF were significant (at least: p < 0.05). All post-hoc comparisons between Remission and CFS or ISF were significant (at least: p < 0.05).