[1] St Joseph Hosp Network, Med Surg ICU, F-75014 Paris, France
[2] Univ Paris 07, INSERM, IAME, UMR 1137, F-75018 Paris, France
[3] Paris Diderot Univ, Dept Biostat, HUPNVS, Bichat Univ Hosp,AP HP,Sorbonne Paris Cite, F-75018 Paris, France
[4] Outcomerea, Dept Biostat, Paris, France
[5] Bichat Teaching Hosp, Med ICU, Paris, France
[6] Paris Descartes Univ, UFR Med, F-75006 Paris, France