Table 3.
Summary of the Random‐Effects RRs of the Associations Between BMI and Adverse Outcomes Among Patients With AF
| BMI Categories | SSE | All‐Cause Death | Cardiovascular Death | |||
|---|---|---|---|---|---|---|
| No. of RRs | Summary RR (95% CI) | No. of RRs | Summary RR (95% CI) | No. of RRs | Summary RR (95% CI) | |
| Underweight (BMI <18.5) | 3 | 1.67 (1.12–2.49)a | 3 | 2.61 (2.21–3.09)a | 2 | 2.49 (1.38–4.50)a |
| Overweight (25 to <30) | 8 | 0.91 (0.80–1.04) | 7 | 0.78 (0.62–0.96)a | 5 | 0.79 (0.58–1.08) |
| Obese (BMI ≥30) | 8 | 0.84 (0.72–0.98)a | 7 | 0.80 (0.64–1.10) | 5 | 0.99 (0.79–1.24) |
| Grade 1 obesity (30 to <35) | 2 | 0.89 (0.71–1.11) | 2 | 0.64 (0.57–0.73)a | NA | NA |
| Grade 2 obesity (35 to <40) | 2 | 0.64 (0.45–0.91)a | 2 | 0.70 (0.47–1.03) | NA | NA |
| Grade 3 obesity (BMI ≥40) | 2 | 0.82 (0.54–1.25) | 2 | 0.72 (0.59–0.88)a | NA | NA |
AF indicates atrial fibrillation; BMI, body mass index; NA, not available; RR, relative risk; SSE, stroke or systemic embolism.
a
P<0.05 indicates statistical significance.