If the results of the drug intervention show the treatment group recovered faster than the control group, we might, therefore, erroneously conclude that the new COVID-19 treatment was effective.

The trial used a multicenter, longitudinal, randomized controlled design with three groups (MBCR, SET, and a minimal-treatment control group; 2:2:1 allocation ratio); assessments occurred at baseline ...

Patients were assigned to short-term radiotherapy followed by chemotherapy (TNT group) or long-term concurrent chemoradiotherapy (CRT group). The protocol design, random assignment, MRI, study quality ...

If the results of the drug intervention show the treatment group recovered faster than the control group, we might, therefore, erroneously conclude that the new COVID-19 treatment was effective.