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(A) Trial sequence analysis of the cardiac surgery subgroup: error α = 0.05, β = 0.2, incidence in the intervention arm: 12.75%, incidence in the control arm: 17.03%. (B) Trial sequence analysis of the noncardiac surgery subgroup: error α = 0.05, β = 0.2, incidence in the intervention arm: 10.49%, incidence in the control arm: 19.35%.
