Fig. 2From: Clinically stable covid-19 patients presenting to acute unscheduled episodic care venues have increased risk of hospitalization: secondary analysis of a randomized control trialSample Size required for each treatment arm to have 80% power to detect a 50% risk reduction with alphaā=ā0.05 for a range of reference event rates with estimates based on the adjudicated primary clinical outcomeBack to article page