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Table 1 Biochemical inclusion criteria for the EROS study

From: Enhancement of hypothalamic-pituitary activity in male athletes: evidence of a novel hormonal mechanism of physical conditioning

 

Range required for inclusion

Assay method

Ultrasensitive C-reactive protein (CRP)

<3 mg/dL

Latex-intensified immunoturbidimetry

Erythrocyte sedimentation rate (ESR)

<25 mm/h

Automated spontaneous sedimentation method

Creatinine (and TFG)

<1.5 mg/dL (> 60 mL/min)

Jaffe enzymatic assay

Hematocrit

36–54%

Automated assay

Neutrophils

1000–9000 /mm3

Automated assay

Creatine kinase (CK)

< 5000 U/L

Calorimetric activity assay; International Federation of Clinical Chemistry

Alanine aminotransferase (ALT)

<50 U/L

Calorimetric activity assays

Aspartate aminotransferase (AST)

<50 U/L

Calorimetric activity assays

Ferritin

20–1000 ng/dL

Chemiluminescence assay

Vitamin B12

>180 pg/mL

Chemiluminescence assay

Fasting glucose

<100 mg/dL

Enzymatic assay of hexokinase

Total testosterone

>200 ng/dL

Chemiluminescence assay

TSH

<5 μIU/mL

Chemiluminescence assay

  1. TGF Calculated estimated glomerular filtration rate, TSH Thyroid stimulating hormone