Objectives Anxiety is more prevalent in children with chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) than in the general population. A systematic review was carried out to identify which ...

MD effect sizes for each instrument were: The State-Trait Anxiety Inventory: −3.61 (IQR=−6.01 to –1.66), Brief Symptom Inventory-18: −5.45 (1 review), Self-rating scale: −4.57 (1 review), Hospital ...