Table 2 Processes of care during mechanical ventilation

Underlying respiratory disease or pneumonia occurrence during mechanical ventilation, n (%)

108 (30.4)

89 (28.1)

19 (50.0)

0.008

Underlying or new occurrence of heart failure during mechanical ventilation, n (%)

105 (29.6)

94 (29.7)

11 (28.9)

1.000

Duration of mechanical ventilation, h

67.8 (42.5–126.5)

66.4 (42.1–118.2)

97.7 (63.9–164.6)

0.012

ABG and respiratory data during successful SBT

 pH

7.43 (7.40–7.46)

7.43 (7.40–7.46)

7.44 (7.41–7.46)

0.891

 PaCO₂, mmHg

40.70 (37.15–44.20)

40.60 (37.20–44.10)

42.95 (36.00–45.12)

0.252

 PaO₂, mmHg

106.0 (89.4–125.0)

105.5 (89.5–125.0)

106.5 (88.4–126.5)

0.797

 Respiratory rate, breaths/min

18 (15–21)

18 (15–21)

18.5 (16–22)

0.150

 Tidal volume, mL

417 (355–500)

422 (354–500)

408 (371–474)

0.549

 PaO₂:FiO₂, mmHg

295 (232–353)

294 (234–353)

309 (213–351)

0.971

 Rapid shallow breathing index, breaths/min/L

41.84 (32.50–56.05)

41.84 (31.82–56.18)

41.88 (35.54–55.54)

0.374

Parameters before extubation

 SOFA score

8 (6–10)

8 (6–10)

8 (6–10)

0.417

 Fluid balance during the previous 24 h, mL

-327 (-1,088 to 421)

-327 (-1,064 to 400)

-412 (-1,198 to 404)

0.676

 Glasgow Coma Scale score, point

11 (10–11)

11 (10–11)

11 (10–11)

0.189

 Number of endotracheal suctioning episodes during the 24 h before extubation

12 (9–15)

12 (9–15)

15 (11–17)

0.009