Surrogate Marker Evaluation: A Tutorial Using R
Sign Up to like & getrecommendations! Published in 2025 at "Statistics in Medicine"
DOI: 10.1002/sim.70048
Abstract: The practice of using a surrogate marker to replace a primary outcome in clinical studies has become widespread. Typically, the primary outcome requires long‐term patient follow‐up, is expensive, or is invasive or burdensome for patients… read more here.
Keywords: using surrogate; marker; surrogate marker; marker evaluation ... See more keywords
Can serum 17-hydroxyprogesterone and insulin-like factor 3 be used as a marker for evaluation of intratesticular testosterone?
Sign Up to like & getrecommendations! Published in 2019 at "Translational andrology and urology"
DOI: 10.21037/tau.2019.01.16
Abstract: Serum testosterone values vary considerably with little correlation to intratesticular testosterone (ITT). ITT is approximately ~100 times that of serum testosterone and is critical for spermatogenesis. Unfortunately, the only method to accurately measure ITT is… read more here.
Keywords: serum; insulin like; testosterone; like factor ... See more keywords