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Table 3 Distribution of urinary parabens concentration in urine samples

From: Parameters of ovarian reserve in relation to urinary concentrations of parabens

Parabens in urine (μg/L)Statistics
A Mean ± SDG Mean ± SDLODQ25MedianQ75Q95Max>LOD (%)
First urine sample N = 511
 MP198.91 ± 224.3792.68 ± 4.280.537.69119.74280.89688.121260.3693.92
 EP57.21 ± 112.0211.28 ± 7.000.52.009.5256.42258.96785.7284.31
 PP97.80 ± 430.6116.20 ± 6.330.54.0615.5459.21371.127193.0984.11
 BP10.13 ± 20.224.70 ± 2.961.01.993.958.6040.89202.4364.12
 iBuP5.19 ± 6.533.16 ± 2.551.01.352.476.0719.0634.9510.60
 ∑ Parabens (nmol/ml)176.61 ± 158.7525.60 ± 4.620.59.4230.2482.24275.631895.31 
SG adjusted (μg/L)
 MP232.97 ± 287.21107.93 ± 4.390.543.1145.76316.12731.342922.3093.92
 EP62.64 ± 121.4512.90 ± 7.040.52.3713.1062.76264.1342.4384.31
 PP98.94 ± 382.9518.67 ± 6.250.54.5618.4972.70359.685394.8184.11
 BP10.90 ± 21.585.02 ± 3.051.02.274.299.7337.21197.7764.12
 iBuP4.61 ± 5.542.80 ± 2.681.01.242.534.8615.3830.9210.60
Second urine sample N = 120
 MP116.62 ± 154.4249.13 ± 105.390.519.0861.22154.14216.85993.8790.83
 EP33.91 ± 71.065.71 ± 44.970.51.193.5124.0937.21391.5171.67
 PP32.91 ± 71.069.14 ± 38.580.52.449.8625.6542.11504.9370
 BP9.44 ± 30.903.99 ± 9.901.01.903.437.769.21235.3447.5
 ∑ Parabens (nmol/ml)48.22 ± 81.8616.99 ± 198.840.56.164.8852.9176.34531.41 
SG adjusted (μg/L)
 MP149.84 ± 207.5667.18 ± 125.600.524.2091.16204.18312.781715.1390.83
 EP38.45 ± 77.207.85 ± 8.850.51.584.7337.7142.15534.9671.67
 PP39.75 ± 82.1746.49 ± 52.130.53.4611.4910.0217.21470.1870
 BP8.95 ± 17.414.74 ± 7.731.02.234.379.5111.22126.0847.5
  1. A Mean artimetic mean, G Mean geometric mean, Q25 25 quartile, Q75 75 quartile, Q95 95 quartile, LOD limit of detection, MP methyl-paraben, EP ethyl-paraben, PP propyl-paraben, BP butyl-paraben, iBuP izobuthyl-paraben