Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 3 Overview of the primary outcome parameters of the two study groups
Primary outcome parameters | Control group (n = 53) | Intervention group (n = 79) | p-value |
|---|---|---|---|
Intraoperative blood loss (ml), median (IQR) | 700 (400–1200) | 500 (200–700) | 0.0043* |
Postoperative wound drainage (ml), median (IQR) | 1230 (668–2041) | 730 (450–1354) | 0.0080* |
Intraoperative transfusion of PRBCs (units) | |||
Median (minimum–maximum) | 0 (0–22) | 0 (0–6) | 0.0003* |
0 units, n (%) | 30 (57%) | 68 (86%) | 0.0023† |
1 unit, n (%) | 7 (13%) | 3 (4%) | |
2 units, n (%) | 9 (17%) | 4 (5%) | |
> 2 units, n (%) | 7 (13%) | 4 (5%) | |
Postoperative transfusions of PRBCs (up to 14 days; units) | |||
Median (minimum–maximum) | 0 (0–6) | 0 (0–4) | 0.1541* |
0 units, n (%) | 35 (66%) | 61 (77%) | 0.4781† |
1 unit, n (%) | 5 (9%) | 6 (8%) | |
2 units, n (%) | 8 (15%) | 6 (8%) | |
> 2 units, n (%) | 5 (9%) | 6 (8%) | |