Skip to main content

Table 4 Changes in arterial blood gas parameters between baseline and discharge following NIV treatment in patients with severe and non-severe acidosis

From: Noninvasive ventilation for severely acidotic patients in respiratory intermediate care units

 

APE

N = 240

COPD

N = 540

OHS

N = 189

All

N = 969

pH

≤7.25

>7.25

≤7.25

>7.25

≤7.25

>7.25

≤7.25

>7.25

PaO2, mmHg, X (SD)

+2.9 (30)

−2.2 (32)

−4 (33)

−7.6 (36)

−10 (20)

−4.7 (26)

−3.3 (31)

−5.7 (33)

PaO2/FiO2, X (SD)

−90 (102)

−74 (103)

−66 (112)

−78 (139)

−135 (100)

−72 (97)**

−85 (110)

−75 (123)*

PaCO2, mmHg, X (SD)

+29 (22)

+13 (16)**

+26 (22)

+17 (15)**

+28 (18)

+15 (14)**

+27 (21)

+16 (15)**

pH, X (SD)

−0.21 (0.11)

−0.11 (0.07)**

−0.23 (0.08)

−0.12 (0.06)**

−0.22 (0.09)

−0.12 (0.05)**

−0.22 (0.09)

−0.12 (0.06)**

  1. Abbreviations: X (SD) mean (standard deviation), NIV noninvasive ventilation
  2. * P < 0.01 and ** P < 0.001