Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 9 Correlation between length of hospitalization and variables investigated
| Â | Age | Number of transfusions | Preoperative hemoglobin concentration | Blood loss |
|---|---|---|---|---|
Length of hospitalization | ||||
 Pearson’s correlation | 0.169* | 0.300* | −0.167* | 0.022 |
 Significance (2–tailed) | 0.028 | 0.000 | 0.029 | 0.404 |