Figure legends
Figure 1. Time percentage on backup ventilation and neural respiratory
rate (nRR) according to postmenstrual age during invasive and
noninvasive neurally adjusted ventilatory assist (NAVA).
Spearman test was used for the analyses. For invasive NAVA, each PMA
group included 17, 22, 52, 60, 66, 43 and 9 infants. For noninvasive
NAVA, each PMA group included 9, 8, 9, 35 and 24 infants. Box plots show
median (IQR), minimum and maximum values.
Figure 2. Relative ratio of time on backup ventilation compared to the
baseline of 24 hours before the episode (-24hours).
Values are medians (IQRs) of the previous 6 hours. Grey lines indicate
individual changes. Values at each time point are 1.3 (0.8 – 2.0), 1.7
(1.2 – 3.1), 2.0 (1.3 – 4.6) and 3.4 (2.3 – 6.4), respectively.
Friedman test’s χ2 was 20.69 (p<0.001).