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Fig. 2 | Critical Care

Fig. 2

From: High flow nasal therapy versus noninvasive ventilation as initial ventilatory strategy in COPD exacerbation: a multicenter non-inferiority randomized trial

Fig. 2

a, c Report boxplots showing median, interquartile range and mean (full dot) for PaCO2 differences (ΔPaCO2) between baseline (T0), 2 h (T2h) and 6 h (T6h) in HFNT and NIV groups (*p value < 0.05, difference ≠ 0) in per-protocol analysis at 2 h and at 6 h, respectively; b, d report mean PaCO2 (and 95% confidence interval) observed at T0, T2h, T6h in HFNT and NIV groups in per-protocol analysis at 2 h and at 6 h, respectively

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Critical Care

ISSN: 1364-8535