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

doi:10.4251/wjgo.v14.i9.1689

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World Journal of Gastrointestinal Oncology

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1948-5204

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World J Gastrointest Oncol. Sep 15, 2022; 14(9): 1689-1698
Published online Sep 15, 2022. doi: 10.4251/wjgo.v14.i9.1689

Table 1 Characteristics and potential factors in cases with esophageal precancerous lesions and controls

Category	*Cases, n =* 200**	*Controls, n =* 200**	Adjusted OR (95%CI)¹	P value
Age (yr), mean ± SD	63.01 ± 6.08	62.85 ± 6.03		0.792^a
BMI (kg/m²), mean ± SD	24.52 ± 3.33	24.36 ± 3.37		0.631^a
Normal (18.5-23.9)	82 (41.0%)	84 (42.0%)	1.00 (reference)
Underweight (< 18.5)	4 (2.0%)	5 (2.5%)	0.61 (0.12-3.02)	0.545
Overweight (24.0-28.0)	84 (42.0%)	89 (44.5%)	0.95 (0.61-1.49)	0.836
Obese (> 28.0)	30 (15.0%)	22 (11.0%)	1.61 (0.83-3.12)	0.164
Education level
Illiterate	100 (50.0%)	96 (48.0%)	1.00 (reference)
Primary school education	74 (37.0%)	77 (38.5%)	0.79 (0.45-1.39)	0.413
Middle school education and higher	26 (13.0%)	27 (13.5%)	0.81 (0.36-1.79)	0.599
Annual income/person (RMB)
1-5000	53 (26.5%)	42 (21.0%)	1.00 (reference)
5001-10000	88 (44.0%)	86 (43.0%)	0.75 (0.45-1.25)	0.267
> 10000	59 (29.5%)	72 (36.0%)	0.67 (0.37-1.21)	0.183
Current smoking status (number of cigarettes/d)
Non-smoker	126 (63.0%)	134 (67.0%)	1.00 (reference)
1-10	20 (10.0%)	17 (8.5%)	1.39 (0.67-2.87)	0.381
11-20	38 (19.0%)	41 (20.5%)	1.10 (0.61-1.97)	0.755
> 20	16 (8.0%)	8 (4.0%)	3.11 (1.00-9.63)	0.049
Current drinking status (alcohol units consumed/d, 1 unit is 8 g or 10 mL of pure alcohol)
Non-drinker	147 (73.5%)	151 (75.5%)	1.00 (reference)
< 4	10 (5.0%)	10 (5.0%)	1.03 (0.41-2.59)	0.954
4-	26 (13.0%)	23 (11.5%)	1.02 (0.52-2.02)	0.946
8-	17 (8.5%)	16 (8.0%)	1.06 (0.47-2.42)	0.885
H. pylori infection
Negative	153 (76.5%)	142 (71.0%)	1.00 (reference)
Positive	47 (23.5%)	58 (29.0%)	0.75 (0.46-1.24)	0.265

^aP value of two independent samples t-test.

¹Conditional logistic regression model with adjustment for gender, age, BMI, education level, annual income, number of cigarettes per day, and alcohol units consumed per day, except the specific variable itself.

H. pylori: Helicobacter pylori; BMI: Body mass index; OR: Odds ratio.

Citation: Pan D, Sun GJ, Su M, Wang X, Yan QY, Song G, Wang YY, Xu DF, Wang NN, Wang SK. Inverse relations between Helicobacter pylori infection and risk of esophageal precancerous lesions in drinkers and peanut consumption. World J Gastrointest Oncol 2022; 14(9): 1689-1698
URL: https://www.wjgnet.com/1948-5204/full/v14/i9/1689.htm
DOI: https://dx.doi.org/10.4251/wjgo.v14.i9.1689