Table 3.
Risks of Death Only and of Death or Myocardial Infarction (MI) Under Low‐Hematocrit (30–33%), Mid‐Hematocrit (33–36%), and High‐Hematocrit (36–39%) Treatment Strategies, United States Renal Database System 2006–2012
| Outcome | Treatment Strategya | 18‐month Risk (%) | Risk Ratio | 95% CI | Risk Difference (%) | 95% CI | ||
|---|---|---|---|---|---|---|---|---|
| Deatha | High hematocrit | 32.1 | 1.17 | 1.16 | 1.18 | 4.63 | 4.42 | 4.91 |
| Mid hematocrit | 29.3 | 1.06 | 1.06 | 1.07 | 1.77 | 1.65 | 1.92 | |
| Low hematocrit | 27.5 | 1 (ref.) | 1 (ref) | |||||
| Death or MIb | High hematocrit | 35.1 | 1.15 | 1.14 | 1.16 | 4.60 | 4.35 | 4.83 |
| Mid hematocrit | 32.3 | 1.06 | 1.05 | 1.06 | 1.76 | 1.62 | 1.89 | |
| Low hematocrit | 30.5 | 1 (ref) | 1 (ref) | |||||
a
41,970 deaths; 18‐month risk of death: 30.2% (observed), 29.9% (simulated).
b
46.014 composite events of death and MI: 18‐month risk of death: 33.1% (observed), 32.9% (simulated).
CI, confidence interval.