showed a trendP = .057
Busulfan exposure < 59.5 mg × h/L showed a trend toward a higher risk of TRM than exposure ≥59.5 mg × h/L (HR, 0.5; 95% CI, 0.26-0.99; P = .057).
Busulfan exposure < 59.5 mg × h/L showed a trend toward a higher risk of TRM than exposure ≥59.5 mg × h/L (HR, 0.5; 95% CI, 0.26-0.99; P = .057).