Table 2: Cuff pressure measurement. ETT cuff pressures measured prior to extubation.

Cuff pressure

(cmH2O)

Standard manometer (n = 128)

Predetermined volume (n = 128)

Finger palpation (n = 128)

P Value

Frequency

Percentage (%)

Frequency

Percentage (%)

Frequency

Percentage (%)

< 20

1

0.8

0

0.0

7

5.5

< 0.01

20-30

127

99.2

69

53.9

34

26.6

< 0.01

3-40

0

0.0

56

43.8

51

39.8

< 0.01

41-50

0

0.0

3

2.3

20

15.6

< 0.01

> 50

0

0.0

0

0.0

16

12.5

< 0.01

Data were statistically significant at P < 0.05 compared with the standard manometer.

n: number of respondents included in the analysis; ETT: Endotracheal Tube