. 2012 Jun 13;7(6):e38353. doi: 10.1371/journal.pone.0038353

Table 1. Expression of carbohydrate antigens ^a in control, Helicobacter pylori infected and Pteridium aquilinum treated with or without infection mice.

		Tn				STn				T				ST					SLe ^a				SLe^x
		-	+	++	p value ^b	-	+	++	p value ^b	-	+	++	p value ^b	-	+	++	p value ^b		-	+	++	p value ^b	-	+	++	p value ^b
Control	n = 7	0	7	0	-	7	0	0	-	0	7	0	-	7	0	0	-	n = 7	7	0	0	-	0	7	0	-
*Pteridium* *aquilinum*	n = 8	0	3	5	0,026	8	0	0	n.a.	0	8	0	n.a.	2	6	0	0,007	n = 8	8	0	0	n.a.	0	2	6	0,007
*Helicobacter* *pylori*	n = 5	0	4	1	0,417	5	0	0	n.a.	0	5	0	n.a.	5	0	0	n.a.	n = 7	7	0	0	n.a.	0	4	3	0,192
*Pteridium* *aquilinum* + *Helicobacter* *pylori*	n = 5	0	0	5	0,001	5	0	0	n.a.	0	5	0	n.a.	2	3	0	0,045	n = 7	7	0	0	n.a.	0	0	7	0,001

Staining was graded in three categories: (-) negative, (+) positive, and (+ +) strongly positive.

Fisher’s exact test (p-value); n.a. – not applicable.

Table 1. Expression of carbohydrate antigens a in control, Helicobacter pylori infected and Pteridium aquilinum treated with or without infection mice.