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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Non-inferior comparative study comparing one or two day antimicrobial prophylaxis after clean orthopaedic surgery (NOCOTA study): a study protocol for a cluster pseudo-randomized controlled trial comparing duration of antibiotic prophylaxis

Fig. 3

Line graph for sample size decision. The whole results of sample size calculation in the scenarios of the HAI risk ranging from 1 to 8% and the non-inferiority margin from 2 to 5%, assuming that the HAI occurrence probability is common between groups (1-sided Farrington–Manning test, with α = 2.5% and β = 20%)

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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