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Table 2 Intraoperative variables

From: Comparison of standard versus 90° rotation technique for LMA Flexible™ insertion: a randomized controlled trial

 

Standard

(n = 63)

Rotation

(n = 66)

P-value

Success rate (n, %)

 First attempt

59 (93.7)

65 (98.5)

0.2

 Second attempt

3 (4.8)

1 (1.5)

0.36

 Third attempt

1 (1.6)

0 (0)

0.49

Manipulations required (n, %)

2 (3.2)

1 (1.5)

0.61

 Neck extension

0

1

 

 push in LMA

1

0

 

 cuff pressure adjustment

1

0

 

Insertion time (sec)

10.5 ± 4.7

9.7 ± 4.7

0.58

Air leak pressure (cmH2O)

19.8 ± 4.9

20.5 ± 4.2

0.38

Operation time (min)

51.7 ± 26.5

57.3 ± 29.4

0.26

Anesthesia time (min)

71.4 ± 26.8

77.8 ± 30.2

0.21

  1. Values are number of patients (%), mean ± SD. LMA laryngeal mask airway