Table 2

 Laboratory variables and methods

SubstanceMediumMethodInstrument
PAP, Peroxidase-antiperoxidase smear test; ELISA, enzyme linked immunosorbent assay.
Primary outcome variables
    TriglycerideSerumEnzymatic (PAP)Cobas Mira, Roche
    Free fatty acidsSerumEnzymaticCobas Mira, Roche
Secondary outcome variables
    GlucoseSerumGlucose dehydrogenaseCobas Mira, Roche
    InsulinSerumELISAES (Enzym-System) 200, Boehringer
    LactateBloodEnzymaticCobas Mira, Roche
    HaemoglobinBloodPhotometricK 1000, Digitana (Horgen)
    ErythrocytesBloodCapillary countK 1000, Digitana (Horgen)