ME patient experiences: Sampling bias limits the external validity of findings.

In a recent paper in , Kielland et al. present a study with the first objective of documenting how helpful or unhelpful persons with ME perceive common services and interventions. The authors recruited participants by respondent driven sampling, a method that aims to produce estimates that correct for sampling bias.

Brief Outpatient Rehabilitation Program for Post-COVID-19 Condition: A Randomized Clinical Trial.

Importance: Post-COVID-19 condition (PCC) is emerging as a common and debilitating condition with few treatment options.

Objective: To assess the effectiveness of a brief outpatient rehabilitation program based on a cognitive and behavioral approach for patients with PCC.

Design, Setting, And Participants: Patients with mild to moderate PCC were randomized 1:1 to an established transdiagnostic rehabilitation program or care as usual at a single referral center recruiting from the region of the South-Eastern Norway Regional Health Authority.