Table 3 Study results

Cough reflex

 Good

33

1

 Poor

33

25

Consistency of secretion

 Thick

21

15

 Thin

45

11

Amount of secretion

 Plenty

7

6

 Minimal

59

20

Sedation

 Yes

45

13

 No

21

13

Ionotropes

 Yes

49

18

 No

17

8

Spontaneous breathing trial (SBT)

 Passed

48

9

 Fail

0

7

Spontaneous respiratory rate (per minute)

31 (8–90)^a

37 (8–76)^a

Base excess

−1.7 (−18.8–6.6)^a

−3.3 (−10.3–1.6)^a

Serum lactate

1.7 (0.6–6.6)^a

1.7 (0.7 5.1)^a

Expiratory time

2.6 (0.91–9.55)^a

2.6 (0.95–11.5)^a

Duration of ventilation (in hours)

66 (13–314.5)^a

52.5 (13–247.5)^a

Rapid shallow breathing index (RSBI)

91 (58–173)^a

169 (67–564)^a

Hemoglobin (gm/dL)

12.96 ± 2.82^b

12.68 ± 3.13^b

SpO₂

96.68 ± 2.32^b

96.54 ± 3.06^b

pH

7.38 ± 0.07^b

7.36 ± 0.06^b

PaCO₂

37.64 ± 6.84^b

37.65 ± 6.82^b

Bicarbonate (HCO₃)

21.64 ± 3.96^b

20.89 ± 3.16^b

Inspiratory time

0.52 ± 0.16^b

0.49 ± 0.12^b

Positive inspiratory pressure (PIP)

14.71 ± 2.72^b

15.08 ± 1.87^b

Positive end expiratory pressure (PEEP)

5.68 ± 1.78^b

5.78 ± 0.81^b

Fraction of inspired oxygen (FiO₂)

0.31 ± 0.09^b

0.33 ± 0.12^b

Mean airway pressure (MAP)

7.13 ± 1.32^b

7.29 ± 1.14^b

Ventilator index (VI)

6.94 ± 4.49^b

6.94 ± 4.49^b

Continuous positive airway pressure (CPAP)

6.11 ± 0.78^b

6.11 ± 0.32^b