Attainment of Therapeutic Plasma Concentrations
A total of 47 patients (83.9%) in the PIT group and 45 patients (81.8%) in the control group attained a therapeutic concentration. The PIT group reached therapeutic concentrations significantly faster than the control group (mean [SD], 17.3 [11.2] days vs 22.0 [10.2] days; Kaplan-Meier χ