Figure 2. Analyses of time to first clinical outcome.

Dashed lines show Kaplan–Meier estimates of time to any clinical event (composite outcome). Solid lines show curves with adjustment for baseline proteinuria (urine protein–creatinine ratio), derived from a Cox regression analysis with baseline proteinuria added as a covariate to the regression equation (22, 23). Top. The time-to-event analyses for the composite end point for both treatment groups in the intention-to-treat population are shown. The unadjusted treatment-related hazard ratio associated with agalsidase beta was 0.57 (95% CI, 27.0 to 1.22; P = 0.14). With adjustment for baseline proteinuria, the hazard ratio was 0.47 (CI, 0.21 to 1.03; P = 0.06). Bottom. The time-to-event analyses for the composite end point for both treatment groups in the per-protocol population are shown. The unadjusted treatment-related hazard ratio associated with agalsidase beta was 0.54 (CI, 0.25 to 1.19; P = 0.12). With adjustment for baseline proteinuria, the hazard ratio was 0.39 (CI, 0.16 to 0.93; P = 0.034).

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