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Table 3 Respiratory parameters before and after paracentesis

From: Effects of paracentesis on hemodynamic parameters and respiratory function in critically ill patients

 

Before paracentesis

Immediately after paracentesis

p-value

2 hours after paracentesis

p-value

6 hours after paracentesis

p-value

PaO2, mmHg

82.5 (72.9-98.6)

90.1 (82.5-110.0)

0.001*

91.6 (76.1-103.2)

0.044*

87.9 (74.5-94.8)

0.645

PaCO2, mmHg

39.0 (31.0-51.3)

40.3 (31.6-45.3)

0.156

40.4 (31.7-48.6)

0.665

40.7 (32.0-47.8)

0.486

PaO2/FiO2, mmHg

220 (161–329)

278 (195–390)

0.001*

229 (167–354)

0.004*

226 (162–327)

0.050

FiO2, % (mechanically ventilated patients)

48 (40–64)

45 (35–60)

0.016*

45 (38–53)

0.004*

45 (40–55)

0.007*

PaO2/FiO2, mmHg (mechanically ventilated patients)

188 (136–233)

242 (184–284)

<0.001*

212 (163–266)

0.001*

201 (152–274)

0.078

Vt/(Pmax-PEEP), mL/cmH2O (mechanically ventilated patients)

30.1 (21.2-57.6)

35.6 (24.8-60.0)

0.032*

35.0 (23.8-61.1)

0.030*

35.6 (28.6-55.5)

0.062

Lung injury score (without x-ray) (mechanically ventilated patients)

6 (4–7)

5 (4–6)

<0.001*

5 (4–7)

0.003*

6 (4–6)

0.012*

  1. PaO2, partial arterial oxygen pressure; PaCO2, partial arterial carbon dioxide pressure; FiO2, fraction of inspired oxygen; Pmax, maximal inspiratory pressure; PEEP, positive end-expiratory pressure; Vt, tidal volume.
  2. Data is presented as median (interquartile range). Tests are performed against the baseline values. p-values <0.05 are indicated with*.