Diagnostic performance of salivary cortisol and serum osteocalcin measurements in patients with overt and subclinical Cushing's syndrome

▶ Automated electrochemiluminescence immunoassay for salivary cortisol measurements. ▶ Serum osteocalcin compared to other tests used for the diagnosis of overt CS. ▶ Serum osteocalcin negatively correlates with serum and salivary cortisol concentrations.