“…From the insurance point of view, HAH is interesting in some studies (Chataway et al, 2006;Leff et al, 2005;Barcala et al, 2006;Anderson et al, 2000Anderson et al, , 2003Oterino-de-la-Fuente et al, 1998;Launois and Perrocheau, 1996;Coast et al, 1998;Vergnenègre et al, 2006;Frick et al, 2009). In some cases the economic pertinence of HAH compared to traditional hospitalization depends on patients' health status and disease gravity (Borras et al, 2001;Goulet et al, 2001).…”