Table 3 Ultrasound-measured antral area and gastric volume by the gastric antral grades of organic dyspepsia

Supine position CSA (cm²)

4.9(3.7, 5.7)

4.6(3.7, 5.3)

4.7

0.825

RLD CSA (cm²)

6.9(5.7, 8.2)

10.6(7.9, 12.1)

12.0

< 0.0001

Actually measured volume (ml)

12.0(6.0, 15.5)

33.5(29.5, 61.0)

150.0

< 0.0001

Predicted gastric volume (ml)

70.0(53.7, 87.6)

115.9(90.2, 136.8)

177.4

< 0.0001

Gastric volume/unit body weight (ml/kg)

0.2(0.1, 0.3)

0.6(0.5, 1.0)

2.8

< 0.0001