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Table 2 Ultrasonographically obtained gastric antrum data

From: A randomized, double-blind study of the ultrasound assessment of the effect of pharyngeal packing on perioperative gastric volume in nasal surgery

Variable

Group 1 (n = 44)

Group 2 (n = 44)

p

Pre AP diameter (mm)

14.82 ± 3.36

15.25 ± 3.72

0.569

Post AP diameter (mm)

19.34 ± 5.93

17 ± 4.76

0.044

p

0.0001

0.003

 

Pre CC diameter (mm)

24.05 ± 4.87

21.66 ± 5.31

0.031

Post CC diameter (mm)

29.09 ± 8.37

23.45 ± 6.45

0.001

p

0.0001

0.032

 

Pre ACSA (mm2)

280.06 ± 87.16

266.16 ± 109.25

0.511

Post ACSA (mm2)

463.17 ± 257.79

324.83 ± 155.54

0.003

p

0.0001

0.005

 

Pre–Post AP diameter difference (%)

18.38 ± 24.48

7.56 ± 17.6

0.019

Pre–Post CC diameter difference (%)

13.39 ± 20.06

5.16 ± 19.08

0.052

Pre–Post ACSA difference (%)

27.26 ± 30.44

10.96 ± 25.16

0.007

Pre–Post ACSA difference (mm2)

183.11 ± 248.45

58.56 ± 131.79

0.004

  1. Data are presented as the mean ± standard deviation
  2. Pre preoperative, AP antero-posterior, Post postoperative, CC cranio-caudal, ACSA antral cross-sectional area