Détail de l'auteur
Documents disponibles écrits par cet auteur (4)
Ajouter le résultat à ma sélection Faire une suggestion Affiner la recherche
Article
Jacob-S ELKINS ; Jane-A CAULEY ; Sclaiborne JOHNSTON ; Deborah KADO ; Kristine YAFIE ; Elad ZIV ; Department of Epidemiology and Biostatistics. School of Medicine. University of California. San Francisco. San Francisco. CA. USA ; Department of Neurology. School of Medicine. University of California. San Francisco. San Francisco. CA. USA |[BDSP. Notice produite par INIST-CNRS CR0xZjlx. Diffusion soumise à autorisation]. Homocysteine may play a causal role in cognitive decline. The authors analyzed the 5,10-methylenetetrahydrofolate reductase (MTHFR) C677T genotype, a correlate of[...]
Article
Sclaiborne JOHNSTON ; Tanya HENNEMAN ; Charles-E MCCULLOCH ; Mark VAN DER LAAN ; Division of Biostatistics. School of Public Health. University of California. Berkeley. Berkeley. CA. USA |[BDSP. Notice produite par INIST-CNRS R0x3fbKA. Diffusion soumise ... autorisation]. During evaluation of treatment effects in observational studies, confounding is a constant threat because it is always possible that patients with a better prog[...]
Article
[BDSP. Notice produite par INIST-CNRS 4F40SR0x. Diffusion soumise à autorisation]. Confounding by indication is a relentless threat to validity in observational studies of treatment effects. Multivariable models allow adjustment for known and re[...]
Article
Sclaiborne JOHNSTON ; Warren-S BROWNER ; Daryl-R GRESS ; Stephen SIDNEY ; Division of Research. Kaiser-Permanente Northern California. Oakland. USA ; Neurovascular Service. Department of Neurology. University of California. San Francisco. USA |[BDSP. Notice produite par INIST 3oZpR0xS. Diffusion soumise à autorisation]. Context Management of patients with acute transient ischemic attack (TIA) varies widely, with some institutions admitting all patients and others proceeding with outpa[...]
