Table 2.
Estimated average treatment effect between treatment with exclusively fresher vs older RBC units in the mortality analyses on days 7, 14, 21, and 28 after the baseline transfusion
| Day | Risk difference (pp) (95% CI) | |||
|---|---|---|---|---|
| 1-Week threshold | 2-Week threshold | 3-Week threshold | 4-Week threshold | |
| 7 | 0.07 (–0.94, 1.08) | −0.11 (–0.68, 0.46) | 0.02 (–0.66, 0.70) | −0.28 (–1.18, 0.61) |
| 14 | 1.07 (–0.17, 2.32) | 0.54 (–0.22, 1.30) | 0.48 (–0.43, 1.39) | −0.39 (–1.55, 0.76) |
| 21 | 1.91 (0.48, 3.34) | 1.24 (0.30, 2.18) | 0.87 (–0.25, 1.98) | −0.39 (–1.74, 0.96) |
| 28 | 2.44 (0.86, 4.02) | 1.93 (0.85, 3.02) | 1.06 (–0.20, 2.33) | −0.26 (–1.78, 1.25) |
Boldfaced risk difference estimates indicate statistical significance at a 95% confidence level.