| Author; Year; Number of Participants | Study Design | Participants Included |
| Fodil et al., 2016; [26] n = 526 patients for prevalence survey and n = 143 patients for administration survey. |
Prospective, observational study. | Inpatients with swallowing difficulties in 17 geriatric units (acute geriatric care, rehabilitation unit, long term care) of the 3 Paris-Sud teaching hospitals. |