Mild (n = 35) | Moderate (n = 38) | Severe (n = 29) | P value | ||
---|---|---|---|---|---|
Age (year) | 68.8 ± 3.99 | 68.2 ± 4.54 | 72.0 ± 5.29 | 0.065 | |
Sex (female/male) | 32:3 | 38:0 | 29:0 | 0.318 | |
BMI (kg/m2) | 23.49 ± 3.12 | 23.48 ± 2.19 | 22.04 ± 3.51 | 0.229 | |
BMD (L1-4, T-score) | -1.02 ± 1.69 | -1.25 ± 1.27 | -1.87 ± 0.58 | 0.038* | |
Preop. diagnosis | LDK | 2 | 4 | 4 | 0.762 |
Combined state | |||||
Spinal stenosis | 24 (68.6%) | 15 (39.5%) | 10 (34.5%) | 0.034* | |
Spondylolisthesis | 1 (2.9%) | 1 (2.6%) | 2 (6.9%) | 0.675 | |
Old vertebral column fracture | 8 (8.6%) | 11 (28.9%) | 18 (62.1%) | 0.025* | |
Scoliosis | 4 (11.4%) | 6 (15.8%) | 5 (17.2%) | 0.714 | |
Previous surgery | 2 (5.7%) | 2 (5.3%) | 4 (13.8%) | 0.383 | |
No. of comorbidities | HTN | 14 (40%) | 12 (31.6%) | 12 (41.4%) | 0.726 |
Angina | 0 (0%) | 2 (5.3%) | 4 (13.8%) | 0.463 | |
DM | 2 (5.7%) | 2 (5.3%) | 6 (20.9%) | 0.154 | |
CKD | 2 (5.7%) | 0 (0%) | 1 (3.4%) | 0.051 | |
Old CVA | 2 (5.7%) | 2 (5.3%) | 0 (0%) | 0.512 | |
RA | 1 (2.9%) | 0 (0%) | 2 (6.9%) | 0.481 | |
Parkinson’s disease | 0 (0%) | 2 (5.3%) | 0 (0%) | 0.714 | |
COPD | 0 (0%) | 0 (0%) | 2 (6.9%) | 0.081 | |
UIV (n, %) | ≥ T10 | 28 (80%) | 36 (94.7%) | 29 (100%) | 0.043* |
≤ T11 | 7 (20%) | 2 (5.3%) | 0 (0%) | ||
LIV (n, %) | S1 | 35 (100%) | 38 (100%) | 29 (100%) | |
Operation time (min) | 342.2 ± 54.7 | 351.6 ± 61.5 | 392.3 ± 57.2 | 0.041* | |
Blood loss (ml) | 2213.33 ± 760.51 | 2253.33 ± 777.24 | 2526.67 ± 924.32 | 0.035* |