OLIF with TFS | OLIF with BPS | P–value | |
---|---|---|---|
Patients, No. | 16 | 50 | |
Age, Mean ± SD, years | 62.6 ± 10.2 | 58.2 ± 11.2 | 0.163 |
Sex, No. | 0.530 | ||
Female | 11 | 30 | |
Male | 5 | 20 | |
BMD, Mean ± SD, mg/cm3 | 91.2 ± 21.0 | 103.1 ± 18.4 | 0.033* |
BMI, Mean ± SD | 26.7 ± 3.5 | 26.2 ± 3.3 | 0.575 |
Smoking history, No. | 0.625 | ||
Yes | 5 | 19 | |
No | 11 | 31 | |
Diagnosis, No. | 0.578 | ||
LS | 9 | 32 | |
LSCS | 7 | 18 | |
Level, No. | 0.041* | ||
L4/5 | 13 | 49 | |
L3/4 | 3 | 1 | |
Cage, height, No. | 0.005* | ||
10 mm | 1 | 6 | |
11 mm | 1 | 0 | |
12 mm | 5 | 29 | |
13 mm | 2 | 1 | |
14 mm | 3 | 13 | |
15 mm | 4 | 1 | |
Cage, length, No. | 0.626 | ||
45 mm | 1 | 8 | |
50 mm | 8 | 20 | |
55 mm | 7 | 22 | |
Cage, width, No. | 0.010* | ||
18 mm | 10 | 46 | |
22 mm | 6 | 4 |