Risk of adverse outcomes considering marital status in specific groups of participants
Outcome | Marital status and subgroups | Studies | No. of participants (not applicable, (NA) for studies with no crude result available) | Odds ratio (95% CI) | Overall effect, P value | Heterogeneity, I2 % | Subgroup differences between men only and women only (P value, I2) |
Mortality post stroke | Unmarried vs married | ||||||
All | 3 | 29 419 | 1.08 (0.88 to 1.32) | 0.47 | 43 | ||
Women only | 1 | 3156 | 0.95 (0.77 to 1.17) | 0.62 | – | ||
Men and women | 2 | 26 263 | 1.24 (0.83 to 1.84) | 0.29 | 24 | ||
Mortality post MI | Unmarried vs married | ||||||
All | 11 | >21456 (3 NA) | 1.42 (1.14 to 1.76) | 0.002 | 83 | ||
Men only | 2 | >2453 (1 NA) | 1.76 (1.24 to 2.49) | 0.001 | 80 | 0.56, 0% | |
Women only | 2 | >374 (1 NA) | 1.38 (0.67 to 2.86) | 0.38 | 61 | ||
Men and women | 9 | >18629 (2 NA) | 1.35 (1.00 to 1.83) | 0.05 | 84 | ||
Divorced vs married | |||||||
All | 3 | >4158 (1 NA) | 1.36 (0.92 to 2.01) | 0.13 | 85 | ||
Men only | 1 | 2525 | 1.91 (1.50 to 2.43) | <0.001 | – | 0.95, 0% | |
Women only | 1 | 447 | 1.87 (1.04 to 3.36) | 0.04 | – | ||
Men and women | 2 | >1186 (1 NA) | 1.08 (0.95 to 1.22) | 0.23 | 0 | ||
Widowed vs married | |||||||
All | 4 | >9171 (1 NA) | 1.68 (1.30 to 2.17) | <0.001 | 85 | ||
Men only | 1 | 2136 | 1.49 (0.77 to 2.89) | 0.24 | – | 0.31, 2.3% | |
Women only | 1 | 368 | 2.74 (1.03 to 7.28) | 0.04 | – | ||
Men and women | 3 | >6667 (1 NA) | 1.65 (1.24 to 2.20) | <0.001 | 92 | ||
MI post MI | Unmarried vs married | ||||||
All | 2 | 1964 | 0.72 (0.14 to 3.60) | 0.69 | 77 | ||
Women only | 1 | 222 | 0.29 (0.08 to 1.08) | 0.07 | – | ||
Men and women | 1 | 1742 | 1.51 (0.68 to 3.37) | 0.31 | – | ||
MACE post MI | Unmarried vs married | ||||||
Men and women | 1 | 1742 | 1.31 (0.79 to 2.17) | 0.29 | – | ||
Major bleeding post MI | Unmarried vs married | ||||||
Men and women | 1 | 1742 | 2.11 (0.55 to 8.10) | 0.28 | – | ||
CVD post MI | Unmarried vs married | ||||||
Men and women | 1 | 1813 | 1.07 (0.41 to 2.81) | 0.89 | – |
CVD, cardiovascular disease; MACE, major adverse cardiac events; MI, myocardial infarction.