Effect size of every 1 g increase in Hb, with and without factoring effect of perioperative blood transfusion based on general linear model
| Without adjusting for perioperative transfusion* | ||
| Hb increase | Increase in LOS in days (95% CI) | p Value |
| 1 g | −0.21 (-0.34 to 0.08) | 0.002 |
| 2 g | −0.42 (-0.68 to 0.16) | 0.002 |
| 3 g | −0.63 (-1.01 to 0.24) | 0.002 |