NAS items were selected and defined by consensus in a multicentric study between different groups of experts 15 doctors and 10 nurses of intensive care units. Twenty-three routine nursing activities were included.
Los ítems del NAS se seleccionaron y se definieron mediante un estudio multicéntrico por consenso entre distintos grupos de expertos 15 médicos y 10 enfermeras de cuidados intensivos, quedando constituida por 23 actividades rutinarias realizadas por la enfermera en el cuidado del paciente crítico.