Table 7 Multivariate models for length of stay
| Model including anaemia | Model including Hb | ||||
|---|---|---|---|---|---|
| OR (95%CI) | p value | OR (95%CI) | p value | ||
| Age | 10-year increase | 0.77 (0.64–0.94) | 0.009 | 0.76 (0.63–0.92) | 0.006 |
| Gender | Female/male | 1.24 (0.80–1.91) | 0.34 | 1.01 (0.65–1.57) | 0.95 |
| EuroSCORE | Per quintile | 1.85 (1.57–2.19) | <0.0001 | 1.83 (1.55–2.16) | <0.0001 |
| Hb | Yes/no | – | – | 0.71 (0.59–0.86) | 0.001 |
| Anaemia | 1 SD increase | 1.65 (1.12–2.44) | 0.01 | – | – |
| Transfusion | Yes/no | 2.40 (1.55–3.72) | <0.0001 | 2.25 (1.45–3.49) | 0.0003 |