Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Comparison of preoperative baseline data between minimally invasive and open group
Minimally invasive TLIF | Open TLIF | P value | |
|---|---|---|---|
Age (year-old) | 63.5 ± 9.1 | 58.0 ± 10.9 | 0.195 |
Gender (M/F) | 7/14 | 8/12 | 0.658 |
BMI (kg/m2) | 23.7 ± 2.9 | 25.0 ± 3.2 | 0.322 |
Disease etiology | |||
Spinal stenosis | 11 | 9 | 0.636 |
Spondylolisthesis | 5 | 6 | 0.655 |
Disc herniation with segmental instabili | 5 | 5 | 1.000 |
VAS (back) | 5.8 ± 0.9 | 5.6 ± 0.8 | 0.562 |
VAS (leg) | 5.2 ± 1.3 | 4.9 ± 1.8 | 0.708 |
ODI (%) | 43.5 ± 15.1 | 44.2 ± 14.3 | 0.916 |
Preoperative haematocrit | 0.403 ± 0.038 | 0.426 ± 0.049 | 0.203 |
PBV (L) | 3.75 ± 0.75 | 4.20 ± 0.67 | 0.132 |