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Table 3 Specific gravity adjusted urinary concentrations (in ng/mL) of phthalate metabolites in Egyptian girls.

From: Exposure to phthalates among premenstrual girls from rural and urban Gharbiah, Egypt: A pilot exposure assessment study

  Urban Egyptians (n = 28) Rural Egyptians (n = 29)
Metabolite Mean (S.E.) Median Range Mean (S.E.) Median Range
Mono-carboxyisononyl phthalate (MCNP) 2.6 (0.6) 1.5 0.3-11.2 2.3 (0.6) 1.1 0.2-13.7
Mono-carboxy-isooctyl phthalate (MCOP) 9.0 (2.3) 3.8 0.4-49.0 4.0 (0.9) 2.7 0.6-24.5
Mono-n-butyl phthalate (MBP) 171.3 (54.5) 69.7 9-1350 82.3 (26.5) 43.2 3.2-728.1
Mono-ethyl phthalate (MEP) 562.2 (331.2) 121.8 8.8-9288 498.4 (239.5) 63 4.6-6462
Mono-(2-ethylhexyl) phthalate (MEHP) 13.6 (4.2) 4.6 0.6-94.0 5.4 (1.3) 3.1 0.4-29.6
Mono-benzyl phthalate (MBzP)* 9.2 (4.0) 2.4 0.2-101.2 1.8 (0.4) 0.8 0.1-7.5
Mono-(3-carboxypropyl) phthalate (MCPP)* 5.3 (1.7) 2.2 0.2-45.7 2.1 (0.6) 1.1 0.1-14.6
Mono-(2-ethyl-5-hydroxyhexyl) phthalate (MEHHP) 79.9 (20.5) 31 2.6-347.0 31.2 (4.7) 23.8 3.1-99.4
Mono-(2-ethyl-5-oxohexyl) phthalate (MEOHP) 54.6 (14.4) 21.7 0.9-257.8 20.9 (2.9) 14.4 1.2-52.8
Mono-isobutyl phthalate (MiBP)** 68.6 (17.6) 33.2 2.5-475.2 34.5 (10.1) 13.7 1.2-232.2
Mono-(2-ethyl-5-carboxypentyl) phthalate (MECPP) 154.5 (37.5) 74.7 14.8-644.4 82.6 (11.4) 68.6 10.2-249.5
Specific Gravity 1.015 (0.009) 1.015 1.005-1.035 1.021 (0.010) 1.020 1.005-1.040
  1. S.E. - Standard Error of the Mean
  2. *p-value < 0.05 by Wilcoxon rank-sum test of difference between Urban vs. Rural concentrations
  3. **p-value < 0.01 by Wilcoxon rank-sum test of difference between Urban vs. Rural concentrations