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Serum Inhibin-B In Fertile Men Is Strongly Correlated With Low But Not High Sperm Counts: A Coordinated Study Of 1,797 European And Us Men, N. Jorgensen, F. Liu, A. Andersson, M. Vierula, D. Irvine, J. Auger, C. Brazil, E. Drobnis, T. Jensen, P. Jouannet, J. Overstreet, J. Redmon, Amy Sparks, J. Toppari, C. Wang, N. Skakkebaek, S. Swan
Serum Inhibin-B In Fertile Men Is Strongly Correlated With Low But Not High Sperm Counts: A Coordinated Study Of 1,797 European And Us Men, N. Jorgensen, F. Liu, A. Andersson, M. Vierula, D. Irvine, J. Auger, C. Brazil, E. Drobnis, T. Jensen, P. Jouannet, J. Overstreet, J. Redmon, Amy Sparks, J. Toppari, C. Wang, N. Skakkebaek, S. Swan
Amy E.T. Sparks
OBJECTIVE: To describe associations between serum inhibin-b and sperm counts, adjusted for effect of time of blood sampling, in larger cohorts than have been previously reported. DESIGN: Cross-sectional studies of spermatogenesis markers. SETTING: Four European and four US centers. PATIENT(S): Fertile men (1,797) were included and examined from October 1996-February 2005. INTERVENTION(S): The study was observational and therefore without any intervention. MAIN OUTCOME MEASURE(S): Associations between inhibin-b and semen variables controlled for time of blood sampling and other covariates. RESULT(S): Inhibin-b decreased about 2.00% per hour from 8 am-12 pm and then about 3.25% per hour from 12 pm-4 pm. …
An Analysis Of Body Weight And Hemodialysis Adequacy Based On The Urea Reduction Ratio... Including Commentary By Brunt H With Author Response, Kennith Culp, M. Flanigan, Y. Hayajneh
An Analysis Of Body Weight And Hemodialysis Adequacy Based On The Urea Reduction Ratio... Including Commentary By Brunt H With Author Response, Kennith Culp, M. Flanigan, Y. Hayajneh
Kennith R. Culp
The purpose of this study was to evaluate inadequate hemodialysis risk in patients with body weights in the upper quartile of a sample distribution using the urea reduction ratio (URR). Using a case-control design and a simple (n = 315) of hemodialysis (HD) patients, postdialysis weights were divided into quartiles based with a cut-off value at the upper quartile, which was equal to >/= 81 kilograms (kg). The dichotomous outcome, URR >/= 65% and URR /= 81 kg group were given more dialysis session time in minutes and used higher efficiency dialyzers as indicated by the coefficient of ultrafiltration (KUf), …