Figure 3.

Average number of catheters per Neurally Adjusted Ventilator Assist (NAVA) patient, in relation to switch frequency. The model was used to estimate the average number of catheters per NAVA patient, given alternative catheter switch frequencies. The frequencies used for the sensitivity analyses are indicated by dashed lines; catheter switch every fifth day (base case), every third day, and every day, corresponded to an average 1.76 catheters, 2.59 catheters, and 6.20 catheters per patient.