Inverse relations between Helicobacter pylori infection and risk of esophageal precancerous lesions in drinkers and peanut consumption

Table 2 Difference in Helicobacter pylori infection among controls and cases with esophageal precancerous lesions

Group	H. pylori infection			P valuea
	Negative	Positive	Positive rate
Controls	142	58	29.0%
EPL cases (upper and mid thoracic esophagus)	100	33	24.8%	0.384
EPL cases (lower thoracic esophagus)	53	14	20.9%

^aP value of Fisher’s exact test.

H. pylori: Helicobacter pylori.