Dentists Are at a Higher Risk for Oral Helicobacter pylori Infection

Table 3

Detection frequency of oral H. pylori in enrolled subjects.

	Negative	Positive	Total	value
Nondentist	102 (51.0%)	8 (4.0%)	110	^a; ()
Dentist	75 (37.5%)	15 (7.5%)	90
Male	67 (33.5%)	10 (5.0%)	77	^a; ()
Female	110 (55.0%)	13 (6.5%)	123
Total	177 (88.5%)	23 (11.5%)	200

^aChi-square test.