| Author; Year; Number of Participants | Study Design | Participants Included |
| Bourdenet et al. [25] 2015; n = 719 patients. | Prospective, observational study. | Patients ≥ 65 years, Inpatients in 23 geriatric units in Rouen University Hospital Centre (acute geriatric medicine, post -acute rehabilitation, nursing homes, long-term care units). |