an adverse trendp = 0.058
When additionally adjusting for the first-year rejection burden (0/1/≥2 antirejection treatment cycles), the CIT effect attenuated, and the rejection burden showed an adverse trend: ≥2 vs. 0: adjusted HR 8.29 (95% CI 0.93–74.01, p = 0.058); 1 vs. 0: adjusted HR 5.29 (95% CI 0.49–57.62, p = 0.172); CIT per 60 min: adjusted HR 1.07 (95% CI 0.98–1.17, p = 0.122; events n = 11; analysis set n = 24).