Table 2.
Distribution of vacA and iceA subtypes and cagA positivity in biopsies from patients with gastritis, gastric carcinoma, or mucosal associated lymphoid tissue (MALT) lymphoma
| Gene subtype | Gastritis (n=39) | Gastric carcinoma (n=28) | MALT lymphoma (n=24) |
| vacA s1t | 30 (77%) | 26 (93%) | 20 (83%)* |
| vacA s1a | 26 (67%) | 25 (89%) | 13 (54%) |
| vacA s1b | 4 (10%) | 1 (4%) | 6 (25%) |
| vacA s2 | 9 (23%) | 2 (7%) | 4 (17%) |
| vacA m1t | 15 (38%) | 17 (61%) | 4 (17%) |
| vacA m1 | 11 (28%) | 11 (39%) | 1 (4%) |
| vacA m1a | 4 (10%) | 6 (21%) | 3 (13%) |
| vacAm2 | 24 (62%) | 11 (39%) | 20 (83%) |
| cagA positive | 27 (69%) | 22 (79%) | 15 (63%) |
| iceA1 | 22 (56%) | 23 (82%) | 18 (75%) |
| iceA2 | 17 (44%) | 5 (18%) | 6 (25%) |
vacA s1t is s1a and s1b; vacA m1t is m1 and m1a. *One case of MALT lymphoma was a mixed s1a/s1b subtype and was therefore classified as s1t, without subdivision into s1a or s1b.