Table 1 Summary of the patient demographics.
Parameter | UPS group | BPS group | t/χ2 | P value |
|---|---|---|---|---|
Mean age(years) | 63.28 ± 8.21 | 61.60 ± 8.06 | 1.4 | 0.163 |
Sex ratio(M: F) | 12/16 | 14/22 | 0.10 | 0.75 |
Follow-up duration (mo) | 10.79 ± 3.60 | 10.64 ± 2.94 | 0.31 | 0.758 |
BMI(kg/m2) | 23.54 ± 2.56 | 23.75 ± 2.18 | 0.60 | 0.546 |
Mean BMD: T-score | -0.44 ± 0.89 | -0.45 ± 0.80 | 0.11 | 0.915 |
Diagnosis | 0.77 | 0.857 | ||
Lumbar disk herniation | 27(27%) | 28(32.56%) | ||
Lumbar spondylolisthesis | 28(28%) | 21(24.42%) | ||
Spinal stenosis with segmental instability | 37(37%) | 30(34.88%) | ||
Lumbar scoliosis | 8(8%) | 7(8.14%) | ||
OLIF Level (N, %) | 2.67 | 0.615 | ||
L2/3 | 15(15%) | 13(15.12%) | ||
L3/4 | 32(32%) | 25(29.07%) | ||
L4/5 | 53(53%) | 45(52.33%) | ||
Concomitant diagnosis (N, %) | 0.21 | 0.901 | ||
Hypertension | 30(30%) | 23(26.74%) | ||
Diabetes mellitus | 21(21%) | 18(20.93%) | ||
Cardiopathy | 12(12%) | 8(9.30%) |
