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Distribution of vacA alleles in patient groups
| vacA allele | No. (%) of isolates
|
|
|---|---|---|
| Study group PUD (n = 105) | Control group NUD (n = 52) | |
| s1a | 95 (90) | 30 (58) |
| s1b | 6 (6) | 6 (11) |
| s2 | 4 (4) | 16 (31) |
| m1 | 30 (29) | 19 (36) |
| mx (m1a) | 23 (22) | 6 (12) |
| m2 | 52 (49) | 27 (52) |
