Table 1.

Number of households, men and women interviewed in 20 villages each in the three districts and who underwent ultrasonography (US)

	Patna	Varanasi	Vaishali	Total
Number of households	3885	4851	4598	13 334
Males interviewed	3355	3580	3417	10 352
Females interviewed	3323	5411	3775	12 509
Total interviewed	6678	8991	7192	22 861
Symptomatic males identified	1454	1038	1329	3 821
Symptomatic females identified	1433	1845	1322	4 600
Total symptomatic persons	2887	2883	3973	8 421
Symptomatic males underwent US	840	427	811	2 078 (54.4%)
Symptomatic Females underwent US	1013	1012	997	3 022 (65.7%)
Total symptomatic persons who underwent US	1853	1439	1808	5 100 (60.6%)
Asymptomatic males identified	454	314	413	1 181
Asymptomatic males underwent US	246	110	191	547 (46.3%)
Asymptomatic females identified	573	709	508	1 790
Asymptomatic females who underwent US	296	333	272	901 (50.3%)
Total asymptomatic persons identified				2 971
Total asymptomatic persons who underwent US	542	443	463	1 448 (48.7%)
Total number who underwent US	2395	1882	2271	6 548