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Table 4 Concentration of Dialkylphosphates (μg/g creatinine) in the urine of 33 applicators of Majes (Arequipa-Peru)

From: Dialkyl phosphate metabolites of organophosphorus in applicators of agricultural pesticides in Majes – Arequipa (Peru)

Metabolite

n

% Positv.

Mean ± SD

GM (GSD)

25th Percentile

Median

75th Percentile

90th Percentile

Range

DMP

24

72.72

8.38 ± 7.76

5.73 (2.51)

2.65

6.83

10.02

19.90

1.18–36.67

DEP

16

48.48

14.16 ± 22.21

6.08 (3.63)

1.94

4.36

15.54

37.70

1.01–109.6

DETP

12

36.36

16.07 ± 28.47

5.81 (4.07)

1.65

3.33

16.2

47.46

1.01–147.8

DEDTP

5

15.15

8.09 ± 8.51

5.74 (2.14)

3.19

4.7

10.4

21.06

2.02–38.82

DMTP

5

15.15

4.50 ± 4.20

3.15 (2.29)

1.65

2.38

6.73

11.79

1.01–15.63

DMDTP

1

3.03

8.65 ± 14.74

5.25 (2.24)

3.08

4.39

6.58

20.17

2.02–82.93

  1. n: Number of subjects with determined dialkylphosphate metabolite.
  2. LOD (Limit of detection) for: DMP, DMTP, DEP, DETP 5 ug/l. DMDTP, DEDTP 10 ug/l.
  3. • For concentration below the LOD, there was including a value half the detection limit for nondetectable analytes.