Table 4.

Detection of H. Pylori antibodies between betel chewing males and females and between the age groups 31-50 yrs and 51-70 yrs: Males - 119; Females - 54;

	Oral cancer betel chewers	Oral cancer non betel chewers	Healthy betel chewers
Males
H.pylori +ve	7	3	7	17 (14.3%)
H.pylori -ve	31	3	39	73 (61.1%)
Females
H.pylori +ve	3	1	3	7 (13.0%)
H.pylori -ve	3	2	11	16 (29.6%)
31-50 yrs
H.pylori +ve	1	1	6	8(9.4%)
H.pylori -ve	10	1	34	45 (53.0%)
51-70 yrs
H.pylori +ve	9	3	4	16 (18.2%)
H.pylori -ve	24	4	16	44 (50.0%)