Table 1 NAVA level and respiratory variables during tNAVA and cNAVA for each condition (n = 9)

NAVA level (cm H2O/μV)

5.5 ± 0.4

2.1 ± 0.2

2.2 ± 0.6

4.1 ± 0.8

2.6 ± 0.4

2.6 ± 0.5

Nti (sec)

tNAVA

0.67 ± 0.06

0.50 ± 0.06

0.47 ± 0.09

0.71 ± 0.11

0.63 ± 0.10

0.56 ± 0.11

cNAVA

0.62 ± 0.04*

0.47 ± 0.06*

0.45 ± 0.07*

0.71 ± 0.15

0.60 ± 0.08*

0.54 ± 0.10

Nte (sec)

tNAVA

1.41 ± 0.24

0.93 ± 0.21

1.11 ± 0.54

1.67 ± 0.52

1.16 ± 0.34

0.95 ± 0.48

cNAVA

1.56 ± 0.30*

0.99 ± 0.24

1.10 ± 0.53

1.87 ± 0.54*

1.28 ± 0.37*

1.06 ± 0.49

Nti/Tot (%)

tNAVA

0.33 ± 0.03

0.36 ± 0.05

0.34 ± 0.11

0.32 ± 0.07

0.36 ± 0.07

0.41 ± 0.09

cNAVA

0.29 ± 0.03*

0.33 ± 0.04*

0.32 ± 0.09

0.29 ± 0.05*

0.33 ± 0.07*

0.36 ± 0.07*

Nrr (per min)

tNAVA

30.2 ± 3.9

43.9 ± 7.5

46.9 ± 27.5

28.4 ± 10.1

35.8 ± 8.3

47.7 ± 21.9

cNAVA

28.8 ± 4.4

42.9 ± 7.0

46.0 ± 21.5

26.1 ± 9.0

33.8 ± 7.2

42.8 ± 15.5