Sonographic evaluation of proximal gastric accommodation in patients with functional dyspepsia

Table 1 Ultrasonography measurement of postprandial size of proximal stomach (mean ± SD)

Time in min	Patients (n = 45)	Controls (n = 27)	t	P
	PGA in cm2
5	22.78 ± 6.59	30.68 ± 6.97	4.819	0.000
10	23.13 ± 6.39	29.52 ± 7.46	3.853	0.000
15	22.32 ± 5.93	27.51 ± 7.13	3.332	0.001
20	21.34 ± 6.34	28.25 ± 7.76	4.110	0.000
25	21.51 ± 6.02	26.35 ± 7.23	3.062	0.003
	F = 17.499 P = 0.000
	MPGD in cm
5	6.77 ± 1.34	7.08 ± 1.10	1.035	0.304
10	6.92 ± 1.31	7.27 ± 1.00	1.185	0.240
15	6.66 ± 1.43	7.11 ± 1.03	1.432	0.157
20	6.33 ± 1.29	7.00 ± 1.06	2.275	0.026
25	6.31 ± 1.50	6.66 ± 1.24	1.032	0.305
	F = 2.562 P = 0.114
	PGV in cm3
5	145.75 ± 60.40	185.08 ± 60.81	2.645	0.010
10	152.91 ± 52.10	177.13 ± 59.10	1.797	0.077
15	142.46 ± 49.50	184.16 ± 52.28	3.358	0.001
20	132.45 ± 46.70	169.12 ± 48.64	3.147	0.002
25	126.15 ± 50.23	157.46 ± 49.97	2.544	0.013
	F = 10.319 P = 0.002

PGA: Proximal gastric area; MPGD: Maximal proximal gastric diameter; PGV: Proximal gastric volume.