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Table 1 Results of the hormonal measurements in serum, EDTA-treated and citrated-treated plasma (median and range) by IFMA assays. (p < 0.05)

From: Effects of EDTA and Sodium Citrate on hormone measurements by fluorometric (FIA) and immunofluorometric (IFMA) methods

IFMA

 

SERUM

EDTA

CITRATE

 

median

range

median

range

median

range

LH spec IU/L

5.9

0.07–54

5.6

0.06 -51

5.13

0.06 -49

FSH IU/L

6.8

0.02–119

6.55

0.01–108

5.83

0.01–94

PRL ng/mL

5.53

1.6–171

5.2

1.4–152

4.6

1.2–137

GH ng/mL

0.18

0.02–2.4

0.03*a

0.01–4.7

0.11a

0.01–8.2

INS μIU/mL

6.95

2.3–27

< 4.8*#

<4.8

4.8*

0.2–11

CPEP ng/mL

1.78

0.7–8.3

0.39*a

0.2–1.7

1.13a

0.4–4.9

SHBG nmol/L

47.1

14–367

28.6*

8.3–315

37.5

11–336

TSH μIU/mL

1.46

0.03–100

0.03*a

0.02–0.28

0.45*a

0.01–53

  1. range refers to minimum and maximum values * statistical significant difference between EDTA or citrate plasma results and serum (p < 0.05) a statistical significant difference between EDTA and citrate plasma results (p < 0.05) # Insulin in EDTA samples was undetectable.