Mean sirolimus whole blood trough levels from the same phase III trial were 7.2 ng/ ml (4.0 to 11 ng/ ml, expressed as chromatographic assay values; n=226) for the 2 mg per day dose and 14 ng/ ml (8.0 to 22 ng/ ml, expressed as chromatographic assay values; n=219) for the 5 mg per day dose (see section 4.2).