Seropositivity among cases and controls
| H pylori status | Cag A | Incident IHD | |||
|---|---|---|---|---|---|
| Cases (IHD deaths) | Controls | ||||
| Positive | Positive | 87 (41) | 95 | ||
| Negative | 42 (26) | 48 | |||
| Negative | Positive | 3 (0) | 4 | ||
| Negative | 40 (13) | 58 | |||
| Total | Positive | 90 (41) | 99 | ||
| Negative | 82 (39) | 106 | |||
IHD, ischaemic heart disease.