Table 2 Oropharyngeal leak pressure and peak airway pressure at different times.

From: Effect of the new video laryngeal mask airway SaCoVLM on airway management in lateral laparoscopic urological surgery: A single center randomized controlled trial

Time

Supreme group (n = 35)

SaCoVLM group (n = 35)

Group difference (95% CI)

P value

OLP (cmH2O)

T0

25 (22 to 29)

30 (26 to 37)

5 (3 to 8)

 < 0.001

T1

24 (20 to 26)*

29 (23 to 37)

7 (4 to 10)

 < 0.001

T2

27 (23 to 31)#

32 (26 to 39)

4 (1 to 7)

0.008

T3

27 (23 to 31)#

33 (27 to 39)

4 (2 to 8)

0.006

T4

26 (23 to 32)#

32 (27 to 37)

5 (2 to 8)

0.002

T5

23 (20 to 27)

29 (22 to 35) *

6 (2 to 9)

0.001

PAP (cmH2O)

T0

15.5 ± 2.9

14.7 ± 2.7

−0.74 (−2.09 to 0.60)

0.274

T1

14.9 ± 2.6

15.1 ± 2.9

0.17 (−1.15 to 1.49)

0.796

T2

19.3 ± 2.9*#

19.3 ± 3.2*#

0.00 (−1.46 to 1.46)

 > 0.99

T3

21.4 ± 2.8 *#

21.2 ± 3.2*#

−0.23 (−1.65 to 1.20)

0.750

T4

21.7 ± 2.3*#†

22.0 ± 3.3*#

0.60 (−0.85 to 2.05)

0.621

T5

16.7 ± 3.5

18.2 ± 4.5*#†

1.49 (−0.43 to 3.41)

0.127

Difference between OLP and PAP (cmH2O)

T0

10.2 ± 4.8

16.4 ± 6.2

6.17 (3.51 to 8.83)

 < 0.001

T1

8.3 ± 4.9

15.0 ± 7.9

6.74 (3.61 to 9.87)

 < 0.001

T2

7.8 ± 4.8

12.0 ± 7.1*#

4.26 (1.36 to 7.16)

0.005

T3

5.9 ± 5.1*#†

10.5 ± 7.2*#

4.57 (1.61 to 7.53)

0.003

T4

5.1 ± 5.3 *#†

9.4 ± 7.1*#†

4.23 (1.24 to 7.21)

0.006

T5

6.9 ± 5.7*

11.2 ± 8.2*#

4.34 (0.97 to 7.72)

0.012

  1. T0, LMA insertion; T1, after lateral position; T2, after pneumoperitoneum; T3, 30 min after pneumoperitoneum; T4, 60 min after pneumoperitoneum; T5, surgery end. 95% CI, 95% confidence interval; OLP, oropharyngeal leak pressure; PAP, peak airway pressure. Compared to T0, *P < 0.05; compared to T1, #p < 0.05; compared to T2, P < 0.05.