. Author manuscript; available in PMC: 2014 Oct 2.

Published in final edited form as: Acta Gastroenterol Latinoam. 2007 Dec;37(4):238–245.

Table 1.

Odds ratios and 95% confidence intervals of eradication failure by smoking status and baseline histological diagnosis.

	H. pylori eradication^a
	Success n=138	Failure n=126	Adjusted OR (95% CI)
Smoking status, n(%)
Non-smoker	105(57.1)	79(42.9)	1.0
Active-smoker	33(41.3)	47(58.7)	2.0(1.01 – 3.95)^b
Histopathological diagnosis, n(%)
Multifocal atrophic gastritis	23(37.7)	38(62.3)	1.0
Intestinal metaplasia	115(56.6)	88(43.4)	0.48(0.26 – 0.87)^c

Abbreviations: OR, Odds ratio; CI, confidence interval

Status based on H. pylori status at 36 months of follow-up

Adjusted by age, sex, town, intervention (consumption of ascorbic acid and beta-carotene), and baseline histological diagnosis

Adjusted by age, sex, town, intervention (consumption of ascorbic acid and beta-carotene), and smoking status