Table 9 Univariate analysis of postoperative bone cement leakage (n, %)
Factor | Leakage group (n = 25) | No leakage group (n = 87) | t/χ2/Z | P |
|---|---|---|---|---|
Age (years) | 51.4 ± 3.4 | 51.0 ± 3.2 | 0.591 | 0.556 |
BMI (kg/m2) | 23.40 ± 1.80 | 23.29 ± 1.87 | 0.316 | 0.753 |
Marital status | 0.460 | 0.795 | ||
Married | 20 (80.00) | 73 (83.91) | ||
Unmarried | 2 (8.00) | 4 (4.60) | ||
Divorced | 3 (12.00) | 10 (11.49) | ||
Past medical history | ||||
Hypertension | 7 (28.00) | 29 (33.33) | 0.253 | 0.615 |
Diabetes | 6 (24.00) | 26 (29.89) | 0.330 | 0.566 |
Hyperlipidemia | 4 (16.00) | 26 (29.89) | 1.909 | 0.167 |
Coronary heart disease | 3 (12.00) | 10 (11.49) | 0.005 | 0.945 |
Place of residence | 3.395 | 0.065 | ||
City | 18 (72.00) | 76 (87.36) | ||
Rural area | 7 (28.00) | 11 (12.64) | ||
Degree of education | 0.485 | 0.486 | ||
≥ Senior high school | 16 (64.00) | 62 (71.26) | ||
< Senior high school | 9 (36.00) | 25 (28.74) | ||
Causes | 0.270 | 0.874 | ||
Falling down | 15 (6.00) | 51 (58.62) | ||
Sprain | 7 (28.00) | 28 (32.18) | ||
Other | 3 (12.00) | 8 (9.20) | ||
Site of injured vertebrae | −0.065 | 0.948 | ||
T7 | 2 (7.41) | 8 (6.84) | ||
T8 | 0 (0.00) | 2 (1.71) | ||
T9 | 1 (3.70) | 4 (3.42) | ||
T10 | 2 (7.41) | 7 (5.89) | ||
T11 | 3 (11.11) | 8 (6.84) | ||
T12 | 5 (18.52) | 26 (22.22) | ||
L1 | 4 (14.81) | 22 (18.80) | ||
L2 | 3 (11.11) | 15 (12.82) | ||
L3 | 3 (11.11) | 12 (10.26) | ||
L4 | 3 (11.11) | 9 (7.69) | ||
L5 | 1 (3.70) | 4 (3.42) | ||
Use of zoledronic acid | 0.535 | 0.465 | ||
Used | 10 (15.00) | 42 (48.28) | ||
Unused | 15 (85.00) | 45 (51.72) | ||
Fracture acuteness | 0.015 | 0.902 | ||
Acute | 15 (60.00) | 51 (58.62) | ||
Subacute | 10 (40.00) | 36 (41.38) | ||
Peripheral vertebrae wall damage | 11.092 | 0.001 | ||
Damaged | 12 (48.00) | 14 (16.09) | ||
Undamaged | 13 (52.00) | 73 (83.91) | ||
Bone cement dosage (mL) | 5.58 ± 1.53 | 4.20 ± 0.91 | 5.889 | < 0.001 |
TNF-α (pg/mL) | 5.76 ± 1.91 | 6.12 ± 2.76 | 0.790 | 0.430 |
IL-6 (pg/mL) | 10.73 ± 3.04 | 11.16 ± 3.52 | 0.686 | 0.494 |
BMD (g/cm2) | 0.92 ± 0.17 | 0.91 ± 0.15 | 0.330 | 0.742 |
PINP (μg/L) | 54.73 ± 6.32 | 54.43 ± 6.15 | 0.254 | 0.800 |
BGP (μg/L) | 4.16 ± 0.73 | 4.13 ± 0.84 | 0.842 | 0.200 |
Vertebral height ratios of injured vertebrae (%) | 74.61 ± 11.40 | 73.33 ± 8.90 | 0.666 | 0.507 |
Cobb angle (°) | 16.98 ± 2.84 | 16.55 ± 3.04 | 0.443 | 0.770 |
VAS score | 3.04 ± 1.65 | 2.60 ± 1.30 | 1.577 | 0.118 |
ODI score | 29.48 ± 10.06 | 30.26 ± 9.50 | 0.422 | 0.674 |