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Table 107 (abstract A336). Effects of HFNC on gas exchange

From: ESICM LIVES 2016: part one

 

Facial mask (12 L/min)

HFNC (30 L/min)

HFNC (45 L/min)

HFNC (60 L/min)

P-value (ANOVA)

Fitting (AIC) Linear

Fitting (AIC) Non-linear

PaO2 (mmHg)

72.8±13.5

86.7±14.4*

92.4±11.3*

95.9±13.9*

<0.001

228.1

231.2

PaCO2 (mmHg)

38.9±5.6

39.2±6.4

39.1±6.6

38.9±6.3

n.s.

-

-

pH

7.47±0.1

7.47±0.1

7.47±0.1

7.48±0.1

n.s.

-

-

  1. * p<0.05 vs. facial mask by post-hoc Bonferroni test; no other between-phases post-hoc comparison was significant