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. 2021 May 6;10(10):e020361. doi: 10.1161/JAHA.120.020361

Figure 2. SPRINT (Systolic Blood Pressure Intervention Trial) observed in‐trial vs NHLBI‐PCS (National Heart, Lung, and Blood Institute Pooled Cohorts Study) observed 4‐year survival.

Figure 2

The figure shows the Kaplan‐Meier (KM) curves for observed survival during the in‐trial period of pooled SPRINT participants (ie, both intensive and standard arms, N=8584) compared with the observed survival during the first 4 years after meeting SPRINT eligibility criteria in the propensity‐score weighted NHLBI‐PCS (N=12 485). For this analysis, we used the same propensity‐score development process as in the primary analysis, but we did not exclude individuals who survived <4 years; thus, the NHLBI‐PCS sample size is larger than in the primary analysis.