Repeated serum and urinary androgen measurements in premenopausal and postmenopausal women. Export

@article{citeulike:5271553, abstract = {Intra-individual variability for serum and urinary hormones has been inadequately considered in previous studies. Therefore, in the planning phase of a prospective study of Hormones and Diet in the Etiology of Breast Cancer (ORDET study), androgen levels have been examined at two different times in 56 women (26 in premenopause and 30 in postmenopause). Hormonal measurements in serum showed a good level of agreement for both premenopause (pre) and postmenopause (post): androstenedione pre r = 0.70 (p less than 0.0001), post r = 0.77 (p less than 0.0001); testosterone pre r = 0.73 (p less than 0.0001), post log values r = 0.74 (p less than 0.0001). Dihydrotestosterone showed a good level for premenopause only: log values pre r = 0.82 (p less than 0.0001), post r = 0.41 (p less than 0.05). Agreement levels in urine were inferior to those of serum: testosterone pre r = 0.53 (p less than 0.05), post r = 0.41 (p less than 0.05); androstanediol log values r = 0.46 (p less than 0.001), post log values r = 0.57 (p less than 0.05). Correlation between the two measurements improves considering age, parity, time of blood collection and, for urine, the interval of sample collections.}, author = {Micheli, A. and Muti, P. and Pisani, P. and Secreto, G. and Recchione, C. and Totis, A. and Fissi, R. and Cavalleri, A. and Panico, S. and Berrino, F.}, citeulike-article-id = {5271553}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/1940998}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=1940998}, issn = {0895-4356}, journal = {Journal of clinical epidemiology}, keywords = {estrogen, measurement, reliability, superlist}, number = {10}, pages = {1055--1061}, posted-at = {2009-07-26 14:03:38}, priority = {2}, title = {Repeated serum and urinary androgen measurements in premenopausal and postmenopausal women.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/1940998}, volume = {44}, year = {1991} }

TY - JOUR ID - citeulike:5271553 L3 - citeulike-article-id:5271553 N2 - Intra-individual variability for serum and urinary hormones has been inadequately considered in previous studies. Therefore, in the planning phase of a prospective study of Hormones and Diet in the Etiology of Breast Cancer (ORDET study), androgen levels have been examined at two different times in 56 women (26 in premenopause and 30 in postmenopause). Hormonal measurements in serum showed a good level of agreement for both premenopause (pre) and postmenopause (post): androstenedione pre r = 0.70 (p less than 0.0001), post r = 0.77 (p less than 0.0001); testosterone pre r = 0.73 (p less than 0.0001), post log values r = 0.74 (p less than 0.0001). Dihydrotestosterone showed a good level for premenopause only: log values pre r = 0.82 (p less than 0.0001), post r = 0.41 (p less than 0.05). Agreement levels in urine were inferior to those of serum: testosterone pre r = 0.53 (p less than 0.05), post r = 0.41 (p less than 0.05); androstanediol log values r = 0.46 (p less than 0.001), post log values r = 0.57 (p less than 0.05). Correlation between the two measurements improves considering age, parity, time of blood collection and, for urine, the interval of sample collections. IS - 10 JF - Journal of clinical epidemiology SN - 0895-4356 EP - 1061 TI - Repeated serum and urinary androgen measurements in premenopausal and postmenopausal women. VL - 44 SP - 1055 KW - estrogen KW - measurement KW - reliability KW - superlist AU - Micheli, A AU - Muti, P AU - Pisani, P AU - Secreto, G AU - Recchione, C AU - Totis, A AU - Fissi, R AU - Cavalleri, A AU - Panico, S AU - Berrino, F PY - 1991/// UR - http://view.ncbi.nlm.nih.gov/pubmed/1940998 ER -