“…On the other hand, studies on the NW in different units showed various NAS mean, demonstrating that the NW is related to the profile of the patients, including the extent of dependency, the complexity of diseases, work process, professional profile, availability of equipment and physical plant (19)(20)(21)(22) . When comparing the size of the nursing staff according to the NAS and the COFEN resolution 293/04 (7) , it was observed that the number required by the NAS was higher, corroborating the literature (4,11,(23)(24) . On the other hand, another research pointed out that the NW measured through the application of the NAS was lower when compared to the COFEN resolution 293/04 (7) , associating this result to low complexity of patients due to the absence of semi-intensive care unit at the institution (25) .…”