Table 5

Demographics and postoperative outcomes in patients on chemoprophylaxis who underwent laminectomy with fusion vs without fusion.

Demographics and OutcomesFusion
No (n = 107)Yes (n = 209) P
Patient Demographics
 BMI29.94 ± 5.9329.62 ± 7.060.669
 CCI4.79 ± 2.413.82 ± 2.280.001
 Age, y69.76 ± 13.3764.74 ± 11.390.001
 ASA grade2.77 ± 0.5922.46 ± 0.5460.001
 Female gender28 (26.0%)104 (50.0%)0.001
 Race0.756
  White68 (63.6%)138 (66.0%)
  African American10 (9.3%)20 (9.6%)
  Asian9 (8.4%)18 (8.6%)
  Other20 (18.7%)33 (15.8%)
 Payor type (% private)58 (54.2%)139 (66.5%)0.036
 Levels fused0 ± 01.68 ± 0.763
 MIS vs open laminectomy (% open)1 (0.90%)13 (6.20%)0.006
 EBL (mL)163.64 ± 196.983341.84 ± 340.3320.001
 Op time (min)155.78 ± 66.097242.86 ± 83.5730.001
Postoperative Outcomes
 Length of stay, d3.50 ± 3.014.37 ± 2.420.011
 Return to OR in 30 d5 (4.7%)3 (1.4%)0.145
 Return to OR in 90 d1 (0.9%)8 (3.8%)0.076
 Cardiac complications3 (2.8%)19 (9.1%)0.015
 Venous thromboembolism7 (6.5%)11 (5.3%)0.353
 All hematomas/seromas0 (0.0%)4 (1.9%)0.045
 Incision and drainage procedure2 (1.9%)0 (0.0%)0.158
 All infections6 (5.6%)3 (1.4%)0.082
  • Abbreviations: ASA, American Society of Anesthesiologists; BMI, body mass index; CCI, cranial cervical instability; EBL, estimated blood loss; LOS, length of stay; MIS, minimally invasive surgery; OR, operating room; VTE, venous thromboembolism.

  • Note: Data presented as mean ± SD or n (%).