Effect of Helicobacter pylori cdrA on interleukin-8 secretions and nuclear factor kappa B activation

Table 2 Helicobacter pylori cell division-related gene A status (positive or negative) and genotype (allele type) in clinical isolates n (%)

H. pylori cdrA
Status	Genotype	United States (48 patients)1	Japan (51 patients)
Positive	TypeI	0 (0)	4 (7.8)
	Type II	13 (16.9)	46 (90.2)
Negative	Type III	29 (37.7)	1 (2.0)
	Type IV	35 (45.4)	0 (0)
Total		772	51

H. pylori cdrA: Helicobacter pylori cell division-related gene A.

¹In 29 out of 48 patients, each isolate was obtained from both antrum and corpus in same stomach;

²The total 77 isolates include 44 and 33 isolates obtained from antrum and corpus, respectively.