Table 1

Number of patients pharmacokinetically assessed for ifosfamide (IFO), 2-dechloroethylifosfamide (2DCE), 3-dechloroethylifosfamide (3DCE), 4-hydroxyifosfamide (4OHIF), and ifosforamide mustard (IFM) for each infusion schedule

	All Infusions		Short (1–4 h)		Medium (24–72 h)		Long (96–240 h)
	Patients n	Samples n	Patients n	Samples n	Patients n	Samples n	Patients n	Samples n
IFO	56	598	12	143	21	184	23	271
2DCE	53	502	12	141	21	180	20	181
3DCE	53	513	12	140	21	181	20	192
4OHIF	15	135	2	27	13	108	0	0
IFM	8	70	2	20	6	50	0	0