Table 3

Summary of meta-analysis results

Panel A: general population studies
General population studies
Adverse outcomeStudies (n)Events/totalRR (95% CI)
All mortality
 Adjusted only514 454/37 6341.24 (1.02 to 1.51)
 Unadjusted only215 001/39 9650.73 (0.55 to 0.99)
Cardiovascular mortality33086/21 4710.93 (0.74 to 1.17)
Heart failure or LV dysfunction32389/17 3231.39 (1.18 to 1.65)
CHD or MI44006/26 8961.08 (0.85 to 1.36)
Atrial fibrillation815 616/37 5261.45 (1.23 to 1.71)
Stroke or TIA41.13 (0.82 to 1.56)
Panel B: all studies (including studies of patients with CAD)
All studies (including studies of patients with CAD)
Adverse outcomeStudies (n)Events/totalRR (95% CI)
All mortality
 Adjusted only714 739/38 5721.23 (1.01 to 1.49)
 Unadjusted only2547/23310.73 (0.55 to 0.99)
Cardiovascular mortality43153/22 4091.14 (0.73 to 1.76)
Heart failure or LV dysfunction42512/18 2611.51 (1.22 to 1.88)
CHD or MI44006/26 8961.08 (0.85 to 1.36)
Atrial fibrillation815 616/375 5261.45 (1.23 to 1.71)
Stroke or TIA43258/40 6901.13 (0.82 to 1.56)
Panel C: only inclusion of studies that adjusted for medications
Only inclusion of studies that adjusted for medications
Adverse outcomeStudies (n)Events/totalRR (95% CI)
All mortality
 Adjusted only714 739/48 2091.23 (1.01 to 1.49)
Cardiovascular mortality33116/20 7741.19 (0.75 to 1.88)
Heart failure or LV dysfunction42512/18 2611.51 (1.22 to 1.88)
CHD or MI13539/10 7850.97 (0.77 to 1.22)
Atrial fibrillation614 449/317 3461.50 (1.15 to 1.96)
Stroke or TIA22418/19 8361.00 (0.59 to 1.70)
Panel D: only inclusion of studies that adjusted for CVD
Only inclusion of studies that adjusted for CVD
Adverse outcomeStudies (n)Events/totalRR (95% CI)
All mortality
 Adjusted only611 470/39 1581.26 (1.02 to 1.56)
Cardiovascular mortality22015/11 7231.42 (0.59 to 3.46)
Heart failure or LV dysfunction42512/18 2611.51 (1.22 to 1.88)
CHD or MI13539/10 7850.97 (0.77 to 1.22)
Atrial fibrillation514 106/313 0791.53 (1.14 to 2.04)
Stroke or TIA11927/10 7851.23 (0.93 to 1.63)
  • CAD, coronary artery disease; CHD, coronary heart disease; CVD, cardiovascular disease; LV, left ventricular; MI, myocardial infarction; RR, risk ratio; TIA, transient ischaemic attack.