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Table 1 Outcome and Competing Risk Definitions

From: Comparison of atazanavir/ritonavir and darunavir/ritonavir based antiretroviral therapy for antiretroviral naïve patients

Outcome

Definition

Competing Risks

Primary Analysis

Regimen Failure

First A (includes B1) or B2

death

Secondary Analyses

Virologic Failure

First A (includes B1)

B2, death

Discontinuation Due to Virologic Failure

First B1

B2, death

Discontinuation Due to Other Reasons

First B2

A (includes B1), death

Virologic Suppression

First C

B, death

  1. A. Virologic Failure
  2. B. Discontinuation (hierarchically classified as B1: Due to virologic failure, or B2: Due to other reasons)
  3. C. Virologic Suppression