Table 3 Surgical characteristics and trauma
PLIF (20) | OLIF (20) | p value | |
|---|---|---|---|
Operation time (h) | 6.88 ± 1.22 | 5.75 ± 2.22 | 0.055 |
Second-stage surgeries (n) | 0 | 13 | < 0.001 |
Blood loss (ml) | 1067.50 ± 712.72 | 475.00 ± 559.60 | 0.006 |
Intraoperative blood transfusion (ml) | 1175.10 ± 805.67 | 274.65 ± 443.18 | < 0.001 |
Fixation segments (n) | 8.35 ± 2.58 | 5.35 ± 3.30 | 0.003 |
Interbody fusion levels (n) | 2.60 ± 1.05 | 2.85 ± 0.67 | 0.374 |
Total osteotomy levels (n) | 83 | 35 | < 0.001 |
Grade I (n) | 9 | 6 | |
Grade II (n) | 69 | 28 | |
Grade III (n) | 5 | 1 | |
Postoperative blood transfusion (ml) | 410.00 ± 516.98 | 95.00 ± 232.78 | 0.020 |
Postoperative albumin infusion (g) | 11.00 ± 18.89 | 3.00 ± 7.33 | 0.090 |
Postoperative hemoglobin (g/L) | 113.65 ± 16.60 | 110.15 ± 16.60 | 0.498 |
Postoperative albumin (g/L) | 29.39 ± 4.31 | 30.75 ± 4.76 | 0.351 |
Drainage time (days) | 6.60 ± 1.39 | 4.50 ± 3.19 | 0.010 |
Drainage volume (ml) | 1384.55 ± 483.48 | 774.65 ± 723.46 | 0.003 |