15 PETERMANS_04 LORD_c

The nonagenarian population will be the fastest growing amongst the older over the next 30 years. Intuitively, the geriatric clinician notes that it is, both physically and cognitively, a “stronger” population (1). Chronological age can certainly not be considered as a strong marker because the heterogeneity of the phenotypes in the old person must be noted. Frailty is often linked to advanced age and is 1. Geriatrics department CHU Liège, Domaine universitaire du Sartilman 4020 Liège Belgium; 2. Experimental research center of the surgical department (CREDEC) CHU Liège, Domaine universitaire du Sartilman 4020 Liège Belgium; 3. Clinical pharmacy CHU Liège, Domaine universitaire du Sartilman 4020 Liège Belgique; 4. Biostatistics department Public Heath school, Domaine universitaire du Sartilman 4020 Liège Belgium; 5. Medical and economic informations department (SIME) CHU Liège, Domaine universitaire du Sartilman 4020 Liège Belgium