Number of levels treated (average per patient) |
80 (1.3) |
L2-L3 (% of patients) |
2 (3.2) |
L3-L4 (% of patients) |
15 (23.8) |
L4-L5 (% of patients) |
61 (96.8) |
L5-S1 (AxiaLIF) (% of patients) |
2 (3.2) |
Number of GII spondy levels (average per patient) |
63 (1.0) |
Number of total levels treated per case |
|
One |
49 (77.8) |
Two |
11 (17.5) |
Three |
3 (4.8) |
Graft material |
|
Beta-TCP/HA (%) |
6 (9.5) |
DBM + allograft (%) |
6 (9.5) |
DBM + CCC (%) |
49 (77.8) |
Allograft cellular bone matrix (%) |
2 (3.2) |
Supplemental fixation (GII levels) |
|
Unilateral pedicle screws (%) |
53 (84.1) |
Bilateral pedicle screws (%) |
9 (14.3) |
Total pedicle screw fixations (%) |
62 (98.4) |
Transpedicular facet fixation (%) |
1 (1.6) |
Internally fixated implant (%) |
10 (15.9) |
No supplemental fixation (stand alone) (%) |
0 (0) |
Mean hemoglobin change from pre- to postoperative (g) (range) |
−1.4 (−3.8–0.5) |
Mean length of hospital stay (days) (range) |
1.21 (0–4) |