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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: Environ Int. 2017 Feb 3;101:158–164. doi: 10.1016/j.envint.2017.01.020

Table 2. Summary statistics of analytes by sample round for adults (51 subjects, 135 paired urine and serum samples).

Analytes Round 1 (n=47) Round 2 (n=46) Round 3 (n=42)



GM (GSD) Range GM (GSD) Range GM (GSD) Range
Urinary

DPHP (ng/ml)
 Uncorrecteda 1.74 (3.29) 0.12 – 162 0.99 (3.77) 0.14 – 62 1.42 (3.00) 0.15 – 25
 SG-correctedb 2.99 (2.98) 0.39 – 142 1.80 (3.30) 0.17 – 99 2.11 (2.48)b 0.46 – 25
Iodide (μg/L)
 Uncorrecteda 130 (2.19) 27 – 890 102 (2.33) 11 – 382 148 (1.92) 32 – 660
 SG-correctedb, d 223 (1.62) 78.4 – 815 186 (1.70) 30.3 – 519 240 (1.61) 98.5 – 671
Specific Gravityc 1.016 (0.007) 1.004 – 1.028 1.016 (0.009) 1.003 – 1.035 1.016 (0.007) 1.0001 – 1.027

Serum

Hormones
 TT4 (μg/dL)c 7.30 (1.32) 3.18 – 9.63 7.30 (1.42) 3.9 – 10.2 7.13 (1.24) 4.74 – 9.71
 fT4 (ng/dL) 1.23 (1.16) 0.93 – 2.09 1.20 (1.19) 0.95 – 2.2 1.19 (1.15) 0.96 – 1.61
 TT3 (ng/mL) 1.08 (1.17) 0.78 – 1.54 1.06 (1.18) 0.8 – 1.44 1.06 (1.18) 0.84 – 1.54
 TSH (μIU/mL) 0.71 (1.78) 0.17 – 2.65 0.77 (1.81) 0.16 – 2.27 0.88 (1.98) 0.17 – 4.77
BDE-47 (ng/g lipid)e 9.52 (2.87) 0.60 – 151 10.26 (2.72) 1.30 – 149 7.93 (2.62) 0.90 – 99

GM, geometric mean; GSD, geometric standard deviation;

a

Uncorrected for urinary dilution

b

SG-corrected for urinary dilution

c

Arithmetic mean and standard deviation

d

1 sample excluded during round 3 due to extreme urinary dilution (SG = 1.0001)

e

1 sample excluded during round 3 due to suspected contamination