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. 2021 Sep 20;17(7):550–560. doi: 10.4244/EIJ-D-20-01197

Table 2. Pooled hazard ratios (HRs) with and without outlying studies.

HR (95% CI) I2 No. of studies
Bleeding
Early or late
Major 4.60 (2.51-8.43) 94% 5
Major, excluding outliers 3.43 (2.68-4.40) 0% 2
Major or minor 4.25 (3.40-5.32) 0% 3
Combined 4.44 (3.02-6.52) 89% 8
Combined, excluding outliers 3.86 (3.27-4.56) 0% 5
Minor 2.73 (2.07-3.61) 0% 2
Early
Major 3.42 (2.48-4.12) 0% 4
Major or minor 4.65 (3.54-6.11) 0% 3
Combined 3.77 (3.23-4.41) 1% 7
Late
Major 7.92 (3.80-16.51) 91% 3
Major, excluding outliers 5.62 (4.37-7.22) 0% 2
Major or minor 4.43 (2.28-8.63) 94% 5
Major or minor, excluding outliers 5.62 (4.59-6.87) 0% 4
Combined 5.51 (3.13-9.68) 95% 8
Combined, excluding outliers 5.62 (4.80-6.57) 0% 6
Minor 2.11 (1.53-2.90) 43% 4
Myocardial infarction
Early or late 4.11 (3.34-5.03) 58% 8
Early or late, excluding outliers 4.13 (3.54-4.82) 8% 6
Early 2.45 (1.98-3.02) 25% 7
Late 4.67 (2.85-7.63) 94% 8
Late, excluding outliers 6.19 (4.86-7.89) 53% 6
Bleeding vs myocardial infarction
Early or late
Major 1.23 (0.62-2.47) 89% 5
Major, excluding outliers 1.13 (0.72-1.78) 57% 3
Major or minor 0.91 (0.65-1.27) 0% 3
Combined 1.10 (0.71-1.71) 81% 8
Combined, excluding outliers 1.03 (0.80-1.32) 19% 6
Minor 0.62 (0.42-0.92) 0% 2
Early
Major 1.28 (0.97-1.68) 0% 4
Major or minor 2.06 (1.27-3.35) 0% 3
Combined 1.46 (1.13-1.89) 7% 7
Late
Major 1.28 (0.93-1.76) 12% 3
Major or minor 1.04 (0.70-1.54) 61% 5
Major or minor, excluding outliers 0.86 (0.69-1.07) 0% 4
Combined 1.14 (0.87-1.49) 53% 8
Combined, excluding outliers 1.10 (0.82-1.24) 16% 7
Minor 0.35 (0.25-0.49) 19% 4
Outliers were identified by visual inspection of Galbraith plots, which are reported in Supplementary Figure 2-Supplementary Figure 24. CI: confidence interval; HR: hazard ratio