A revised method for determination of dialkylphosphate levels in human urine by solid-phase extraction and liquid chromatography with tandem mass spectrometry: application to human urine samples from Japanese children

Table 5 Urinary DAP concentrations reported in previous papers

Author Sampling country	Study population (years)	Units	Sample size	GM				95 percentile
Author Sampling country	Study population (years)	Units	Sample size	DMP	DMTP	DEP	DETP	DMP	DMTP	DEP	DETP
Barr et al. [7], USA (NHANES 2003–2004)	6–11	μg/L μg/g cre	296 −310	NC NC	2.8 3.4	NC NC	NC NC	16.2 19.6	30.9 36.1	16.1 16.1	2.2 2.7
Becker et al. [8], Germany	2–17	μg/L μg/g cre	363	13.5 10.7	8.2 6.5	3.3 2.6	1.1 0.9	118 95.8	124 109	20.0 14.1	11.0 -
Babina et al. [9]^a, Australia (Periurban area)	2.5–6	μg/L μg/g cre	111	– –	– 24.8	– 15.4	– 7.9	– –	– 698	– 387	– 114
Present study, Japan	3	μg/L μg/g cre	225	14.4 21.0	5.3 7.8	5.5 8.0	0.6 0.9	59.0 68.0	65.3 81.7	25.2 33.1	5.0 6.3

NC not calculated, NHANES National Health and Nutrition Examination Survey, GM geometric mean, cre creatinine
^aMedian values were represented instead of GM

ISSN: 1347-4715