Comparison of gastric emptying of solid and semi-solid meals using real-time ultrasonography in healthy Sri Lankan adults

Table 1 Comparison of gastric residual ratios of semisolid and solid meals at different time points, mean ± SD

Time after ingestion	Gastric residual ratios (%)
	Semisolid meal	Solid meal	P value1
5 minutes	100.00	100.00	1.000
15 minutes	96.90 ± 2.78	93.28 ± 5.10	0.959
30 minutes	94.57 ± 3.02	86.28 ± 5.18	0.992
45 minutes	84.41 ± 3.61	85.10 ± 4.84	0.491
60 minutes	87.00 ± 4.25	73.68 ± 4.05	0.090
90 minutes	72.02 ± 4.32	68.86 ± 4.40	0.766
120 minutes	60.69 ± 3.66	55.32 ± 4.16	0.349
150 minutes	44.43 ± 3.48	49.32 ± 3.38	0.318
180 minutes	33.79 ± 3.08	37.53 ± 2.84	0.294
210 minutes	19.52 ± 2.70	28.43 ± 3.54	0.016
240 minutes	18.90 ± 2.79	29.34 ± 5.66	0.110

¹Wilcoxon Signed-Rank test.

Table 2 Correlation of gastric emptying rates of semisolid and solid meals at different time points

Time after ingestion	Correlation coefficient	P value1
5 minutes	-	-
15 minutes	0.325	0.079
30 minutes	0.203	0.283
45 minutes	0.600	< 0.001
60 minutes	0.572	0.001
90 minutes	0.628	< 0.001
120 minutes	0.521	0.003
150 minutes	0.500	0.005
180 minutes	0.412	0.026
210 minutes	0.237	0.244
240 minutes	0.309	0.355

¹Spearman correlation coefficient.