Table 3 Multivariable regression analysis of postoperative Hb of << 80 g/L after primary lumbar interbody fusion
Variables | OR | 95%CI | P |
|---|---|---|---|
Age | 1.02 | 0.98–1.05 | 0.31 |
Sex | 1.29 | 0.53–3.15 | 0.58 |
BMI | 1.18 | 1.05–1.33 | 0.01 |
Preoperative Hb | 1.12 | 1.09–1.16 | 0.00 |
Preoperative PLT | 1.01 | 1.00–1.02 | 0.01 |
ASA | 1.63 | 0.64–4.13 | 0.31 |
Operative type | 0.49 | 0.21–1.14 | 0.10 |
Fusion Segment | |||
1 | – | – | – |
2 | 2.72 | 1.24–5.94 | 0.01 |
≥ 3 | 53.34 | 6.06–469.24 | 0.00 |
Operation time | 1.01 | 1.00–1.02 | 0.01 |
Intraoperative blood loss | 1.00 | 1.00–1.02 | 0.00 |
Intraoperative blood salvage | 0.20 | 0.08–0.49 | 0.00 |