Double contrast-enhanced two-dimensional and three-dimensional ultrasonography for evaluation of gastric lesions

Table 1 Comparison between benign gastric lesions and normal gastric wall (n = 22), malignant gastric lesions and normal gastric wall (n = 24) from double contrast-enhanced ultrasound time-intensity curve

	Benign lesions	Normal gastric wall	P value	Malignant lesions	Normal gastric wall	P value
AT (s)	9.43 ± 2.25	9.22 ± 2.37	0.753	8.68 ± 2.06	10.43 ± 2.75	0.017
TTP (s)	16.24 ± 3.67	16.43 ± 3.32	0.862	15.86 ± 3.80	17.86 ± 4.19	0.089
IT (s)	6.85 ± 2.56	7.22 ± 2.57	0.643	7.17 ± 2.45	7.44 ± 3.03	0.344
BI (dB)	5.07 ± 3.49	5.29 ± 4.16	0.846	4.93 ± 3.25	6.92 ± 4.59	0.09
PI (dB)	31.36 ± 8.55	32.96 ± 8.58	0.538	34.64 ± 6.63	29.58 ± 8.22	0.023
EI (dB)	26.28 ± 9.90	27.64 ± 9.59	0.648	29.72 ± 6.69	22.66 ± 7.01	0.001

AT: Arrival time; TTP: Time to peak; IT: Infusion time; BI: Baseline intensity; PI: Peak intensity; EI: Enhanced intensity.