Endpoint
Serum insulin-like growth factor 1 (IGF-1)
CAT:outcome/serum-igf-1reported in ng/mL
How it is measured
Insulin-like growth factor 1 concentration in serum by immunoassay (ELISA, chemiluminescence or equivalent), in ng/mL. The assay platform and the unit as reported are recorded with each finding; fasting state and time since the last dose are recorded where stated.