Table 2.
Events and Adjusted Incidence Rates for All Outcomes
| Events | RYGB Patients | Nonobese Population Controls | Nonoperated Obese Patients | Nonobese Population Controls |
|---|---|---|---|---|
| Acute myocardial infarction, no. (%) | 97 (0.3) | 188 (0.3) | 518 (1.2) | 540 (0.7) |
| Age at acute myocardial infarction diagnosis, y (SD) | 52.8 (8.0) | 55.4 (8.3) | 57.1 (8.8) | 58.2 (8.4) |
| Follow–up time, median (IQR) | 4.0 (2.6–5.9) | 4.1 (2.6–5.9) | 4.7 (2.3–8.2) | 4.9 (2.4–8.5) |
| Cases per 1000 observation years (95% CI) | 0.9 (0.7–1.2) | 1.1 (0.9–1.3) | 2.2 (2.0–2.4) | 1.1 (1.0 –1.2) |
| Ischemic stroke, no. (%) | 134 (0.5) | 174 (0.3) | 486 (1.2) | 465 (0.6) |
| Age at ischemic stroke diagnosis, y (SD) | 51.1 (8.7) | 52.3 (9.6) | 56.7 (9.9) | 58.8 (9.0) |
| Follow–up time, median (IQR) | 4.0 (2.6–5.9) | 4.1 (2.6–5.9) | 4.8 (2.3–8.2) | 4.9 (2.4–8.5) |
| Cases per 1000 observation years (95% CI) | 1.2 (1.0–1.5) | 0.9 (0.8–1.1) | 2.1 (1.9–2.3) | 1.0 (0.9–1.1) |
| Cardiovascular-related mortality, no. (%) | 196 (0.7) | 154 (0.3) | 989 (2.4) | 615 (0.8) |
| Age at cardiovascular-related mortality, y (SD) | 53.3 (9.4) | 54.8 (8.4) | 59.0 (9.0) | 61.2 (7.6) |
| Follow–up time, median (IQR) | 4.1 (2.6–5.9) | 4.1 (2.6–5.9) | 4.8 (2.4–28.3) | 4.9 (2.4–8.6) |
| Cases per 1000 observation years (95% CI) | 2.1 (1.8–2.4) | 0.8 (0.7–1.0) | 4.0 (3.7–4.2) | 1.2 (1.1–1.3) |
| All-cause mortality, no. (%) | 505 (1.8) | 477 (0.9) | 1682 (4.1) | 1604 (2.0) |
| Age at all–cause mortality. years (SD) | 50.8 (10.3) | 53.1 (9.5) | 57.7 (10.0) | 59.3 (8.9) |
| Follow–up time, median (IQR) | 4.1 (2.6–5.9) | 4.1 (2.6–5.9) | 4.8 (2.4–8.3) | 4.9 (2.4–8.6) |
| Cases per 1000 observation years (95% CI) | 4.9 (4.5–5.4) | 2.4 (2.2–2.7) | 6.9 (6.6–7.2) | 3.2 (3.1–3.4) |
IQR indicates interquartile range.