TABLE 1.
Serum IgG responses to whole-cell extract, CagA, and urease in children and adults according to clinical diagnosis
| Age group and diagnosis | No. of patients studied | No. (%) positive for IgG antibodies againsta:
|
||
|---|---|---|---|---|
| Whole cell | CagA | Urease | ||
| Children | ||||
| RAP | 242 | 86 (35.5) | 40 (46.5)* | 9 (10.5)** |
| NUD | 89 | 31 (34.8) | 21 (67.7) | 8 (25.8) |
| Adults | ||||
| PUD | 143 | 129 (89.6) | 108 (83.7)*** | 72 (55.8) |
| NUD | 150 | 133 (86.7) | 99 (74.4) | 83 (62.4) |
a
*, P = 0.04, RAP versus NUD; **, P = 0.07, RAP versus NUD; ***, P = 0.07, PUD versus NUD.