[Table/Fig-3]:

Correlation of portal vein velocity and esophageal varices

Varices on EGD	PV Velocity <16	PV Velocity >16	Total
Presence	27	5	32
Absence	11	7	18
Total	38	12	50
p-value = 0.00468 (< 0.05)
	Estimated Value	95% Confidence Interval
		Lower Limit	Upper Limit
Prevalence of varices	0.64	0.49143	0.76715
Sensitivity	0.84375	0.664536	0.941008
Specificity	0.388889	0.182626	0.638599
Positive predictive value	0.76	0.615134	0.864783
Negative predictive value	0.24	0.135217	0.384866