These data demonstrate a high cooperation rate with in-home salivary specimen collection from older adults and good validity of sex hormone measurements
"cortisol measurement is therefore a primary method of choice in the screening of patients suspected of having Cushing's syndrome". This study compared plasma, salivary, and urinary tests. salivary testing of cortisol is settled. Safe, reliable, and preferred method of evaluation.
salivary testing of estradiol and progesterone shown to be statistically similar to blood estradiol and progesterone. And, "salivary sampling is simple, convenient, and stress free". End of debate.
salivary testing of cortisol proven to be a better test than blood cortisol. Published in Clinical Endocrinology, '05. salivary cortisol testing is best test to evaluate cortisol levels.
night time salivary cortisol found to correlate with early morning urine samples in those with Cushing's. This in addition to the nocturnal salivary cortisol correlation found in past studies. The positive studies on salivary cortisol testing continues to build.