The NAS has also been used to establish adequate allocation of available resources to personnel needs. Although there has been almost a decade since the first NAS publication, its usage as a tool to measure ICU nursing workload is still relatively new in the national and international literature.
No obstante, tras haber pasado casi una década desde la publicación del NAS, su aplicación como instrumento de medición de la carga de trabajo de enfermería en UCI, es todavía relativamente reciente en la literatura nacional e internacional.