Table 3 Baseline characteristics after propensity score matching
Demographics | OSE group (n = 52) | UBE group (n = 52) | SMD | P value |
|---|---|---|---|---|
Age (years) | 61.15 ± 10.14 | 60.81 ± 9.81 | 0.034 | 0.860 |
BMI (kg/m2) | 24.27 ± 2.73 | 24.59 ± 2.93 | 0.113 | 0.560 |
Gender, n (%) | Â | Â | 0.038 | 0.844 |
 Male | 29 (55.77) | 28 (53.85) |  |  |
 Female | 23 (44.23) | 24 (46.15) |  |  |
Medical history | ||||
 Hypertension, n (%) | 18 (34.62) | 17 (32.69) | 0.041 | 0.836 |
 Diabetes, n (%) | 11 (21.15) | 11 (21.15) | 0.000 | 1.000 |
 Osteoporosis, n (%) | 13 (25.00) | 10 (19.23) | 0.138 | 0.478 |
Decompression method | Â | Â | 0.040 | 0.839 |
 Unilateral decompression | 33 (63.46) | 32 (61.54) |  |  |
 Bilateral decompression | 19 (36.54) | 20 (38.46) |  |  |
VAS-LP score | 7.21 ± 0.98 | 7.17 ± 1.06 | 0.039 | 0.854 |
VAS-BP score | 5.21 ± 1.04 | 5.23 ± 1.26 | 0.017 | 0.987 |
JOA score | 11.92 ± 1.34 | 11.98 ± 1.51 | 0.042 | 0.869 |
ODI index | 60.88 ± 10.33 | 60.77 ± 12.14 | 0.010 | 0.958 |
Responsible segment, n (%) | Â | Â | 0.039 | 0.842 |
 L4-5 | 31 (59.62) | 30 (57.69) |  |  |
 L5-S1 | 21 (40.38) | 22 (42.31) |  |  |
Smoking, n (%) | 11 (21.15) | 10 (19.23) | 0.048 | 0.807 |