Table 3.
Haemoglobin values. All figures represent g/L. Negative values represent an increase in Hb between the preoperative and discharge Hb result. Asterisk denotes figures that only include patients anaemic at that timepoint. LLN lower limit of normal Hb range
| n | Mean | Std. deviation | Anaemic (%) | Minimum | Maximum | |
|---|---|---|---|---|---|---|
| Preoperative Hb | 532 | 129.4 | 18.7 | 46.4 | 74 | 170 |
| *Preoperative Hb below LLN | 247 | 16.3 | 11.3 | 1 | 49 | |
| Postoperative Hb | 532 | 113.4 | 16 | 80.6 | 72 | 157 |
| Discharge Hb | 532 | 116.3 | 14 | 76.6 | 83 | 159 |
| *Discharge Hb below LLN | 406 | 18.8 | 11.1 | 1 | 50 | |
| Preoperative to discharge Hb change | 532 | 13.6 | 16.1 | − 37 | 45 |