Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 2 Comparison of perioperative volume loss of RBC between minimally invasive and open group
Minimally invasive TLIF | Open TLIF | P value | |
|---|---|---|---|
Total volume loss of RBC (ml) | 355.3 ± 75.0 | 538.6 ± 129.5 | <0.001 |
Visible volume loss of RBC (ml) | 188.6 ± 42.3 | 293.0 ± 78.9 | <0.001 |
Hidden volume loss of RBC (ml) | 166.7 ± 48.8 | 245.6 ± 97.0 | 0.028 |
Ratio of hidden haemorrhage (%) | 46.7 ± 7.8 | 44.5 ± 12.7 | 0.626 |