Table 7. Odds Ratios From Studies Evaluating Association Between Elevated Hemoglobin and Stroke Mortality
StudyDefinition of Elevated HemoglobinMortality Time PointNumber of PatientsOdds Ratio (95% CI)
Ischemic stroke
Park et al9Prespecified quintile3 months26811.99 (1.02–3.91)
Current study, men>17 g/dLIn‐patient32981.85 (1.03–3.32)
1 month1.79 (1.00–3.20)
3 months1.86 (1.08–3.18)
6 months1.46 (0.86–2.48)
1 year1.50 (0.91–2.47)
Current study, women>15.5 g/dLIn‐patient36531.30 (0.87–1.94)
1 month1.49 (1.01–2.21)
3 months1.19 (0.81–1.75)
6 months1.12 (0.78–1.62)
1 year1.04 (0.73–1.48)
Hemorrhagic stroke
Bussiere et al23>16 g/dL1 year24061.00 (0.74–1.33)
Current study, men>17 g/dLIn‐patient3.20 (1.19–9.17)
1 month2.90 (1.08–7.75)
3 months2.08 (0.75–5.78)
6 months1.56 (0.56–4.40)
1 year5131.56 (0.56–4.35)
Current study, women>15.5 g/dLIn‐patient5492.76 (1.16–6.56)
1 month2.11 (0.92–4.82)
3 months2.08 (0.91–4.77)
6 months2.99 (1.29–6.90)
1 year2.63 (1.14–6.05)