Table 5.
Perioperative data of patients undergoing PS-PLIF, CBT-PLIF, and PPS-PLIF using SB VAC Super-Smooth with 3.33-mm drain tube
| Variable | PS-PLIF (n=3) | CBT-PLIF (n=9) | PPS-PLIF (n=8) | p-value |
|---|---|---|---|---|
| Preoperative parameters | ||||
| Hemoglobin (g/dL) | 14.5 (13.7–14.9) | 12.6 (10.9–15.8) | 13.4 (8.8–15.5) | NS |
| APTT (sec) | 26.4 (21.5–32.9) | 29.3 (26.7–33.2) | 30.3 (21.9–56.2) | NS |
| Intraoperative parameters | ||||
| Operative time (min) | 183.7 (169–204) | 197.0 (131–264) | 196.3 (148–237) | NS |
| Intraoperative blood loss (mL) | 158.3 (25–280) | 177.5 (50–460) | 147.1 (75–305) | NS |
| Postoperative parameters | ||||
| Postoperative drainage volume (mL) | 303.3 (260–360)a) | 417.5 (180–890)b) | 160.0 (50–260)a),b) | 0.02a)/0.005b) |
| Total amount of blood loss (mL) | 461.7 (285–570) | 595.0 (270–950)b) | 307.1 (145–565)b) | 0.009b) |
Values are presented as mean (range).
PS-PLIF, posterior lumbar interbody fusion with pedicle screws; CBT-PLIF, posterior lumbar interbody fusion with cortical bone trajectory screws; PPS-PLIF, posterior lumbar interbody fusion with percutaneous pedicle screws; NS, not significant; APTT, activated partial thromboplastin time.
a),b)
Statistically significant.