“…Most of the previous studies that evaluated this aspect have been limited by small sample. 5,12,13,18,[20][21][22] These studies have mostly focused on patients with cancer 19,26 or patients admitted to the intensive or critical care units. 15,17,18 These factors limit the generalization of findings to all the patients admitted to medical and surgical wards and are not necessarily terminally ill or very severely ill, requiring life support in the intensive care unit setting.…”