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Table 1 Patient characteristics by gastric antrum grade

From: Ultrasonographic assessment of preoperative gastric volume in patients with dyspepsia: a prospective observational study

 

Perlas grading

Study object

(N total = 117)

p

Grade 0 (n = 40)

Grade 1 (n = 68)

Grade 2 (n = 9)

Male:female

8/32

28/40

6/3

42/75

0.01

Age

43.2 (31.3–55.0)

40.9 (28.0–50.0)

40.2 (25.5–56.0)

41.6 (29.5–54.0)

0.65

BMI (kg/m)

22.3 (20.0–24.1)

22.3 (20.1–24.2)

22.8 (19.7–26.5)

22.3 (20.1–24.2)

0.81

Weight (kg)

58.4 (50.5–64.5)

61.3 (53.0–67.8)

64.4 (54.0–71.5)

60.6 (52.5–66.0)

0.23

Reflux Oesophagitis

5 (12.5%)

4 (5.9%)

0 (0.0%)

9 (7.7%)

0.11

Gastric ulcer

2 (5.0%)

12 (17.6%)

4 (44.4%)

18 (15.4%)

< 0.01

Gastric mucosal erosion

18 (45.0%)

18 (26.5%)

0 (0.0%)

36 (30.8%)

0.03

FD

15(37.5%)

34(50.0%)

5(55.6%)

54(46.2%)

0.17

  1. Data represent n (%), ratio, or median and interquartile ranges (IQR 25–75%), BMI body mass index, FD functional dyspepsia