Table 4: Incident rate of MI and heart failure in 86 patients treated with anti-TNF alfa (TNF+) and 258 patients treated with DMARDs (TNF-).
| Exposure | n. patients | Patient-years (×100) | MI events/100 patients/year | Heart failure/100 patients/year |
| TNF+ | 86 | 855.87 | 14.5 | 11 |
| TNF- | 258 | 3452.62 | 7.8 | 6.6 |