Table 4.

Multivariable model for factor predicting expatriate Helicobacter pylori virulence

Characteristics	OR (95% CI)	P value
Lymphoid aggregate
Negative	1·0	0·002
Positive	7·25 (2·10–25·0)
Severity of inflammation
Mild	1·0	0·008
Moderate	4·75 (1·49–15·08)
cagA promoter
Negative	1·0	<0·001
Positive	22·54 (7·53–67·40)
m2
Negative	1·0	<0·001
Positive	0·075 (0·02–0·23)
s2
Negative	1·0	<0·001
Positive	8·77 (2·87–26·74)
iceA type 1
Negative	1·0	<0·001
Positive	0·03 (0·01–0·10)
hopQ type 1
Negative	1·0	0·03
Positive	3·19 (1·06–9·63)

OR, Odds ratio; CI, confidence interval.

Values given are n (%).

* P < 0·05 significant.