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Table 2 Results of ProSeal laryngeal mask airway insertion

From: Head elevation by 3 vs. 6 cm in ProSeal laryngeal mask airway insertion: a randomized controlled trial

 

Group 3 cm (n = 38)

Group 6 cm (n = 40)

P value

No. of attempts

   

1

33/38 (86)

24/40 (60)

0.014

2

1/38(3)

9/40 (23)

 

Failure

4/38 (11)

7 (18)

3

2/4 (50)

6/7 (86)

 

Repositioning

3 (7)

4 (10)

0.745

Seal pressure (cmH2O)

26 ± 5 (15–38)

26 ± 5 (14–32)

0.799

Size of PLMA (4/5)

19/19

20/20

1.000

  1. Data are numbers (%), means ± standard deviation (range) or numbers of patients. Group 3 cm, used a 3 cm height pillow. Group 6 cm, used a 6 cm height pillow. PLMA, ProSeal laryngeal mask airway