Table 1 Baseline characteristics of patients in the Non-NVCF and NVCF groups
Variables | Non-NVCF group | NVCF group | P value |
|---|---|---|---|
(n = 263) | (n = 94) | ||
Age (years) | Â | Â | 0.31 |
 ≤ 70 | 123 (46.8%) | 36 (38.3%) |  |
 80 > age > 70 | 92 (35.0%) | 36 (38.3%) |  |
 ≥ 80 | 48 (18.3%) | 22 (23.4%) |  |
Menopausal age | Â | Â | 0.73 |
 ≤ 47 | 67 (25.5%) | 20 (21.3%) |  |
 52 > age > 47 | 160 (60.8%) | 60 (63.8%) |  |
 ≥ 53 | 36 (13.7%) | 14 (14.9%) |  |
History of hypertension | Â | Â | 0.46 |
 No | 164 (62.4%) | 54 (57.4%) |  |
 Yes | 99 (37.6%) | 40 (42.6%) |  |
History of diabetes | Â | Â | 0.52 |
 No | 221 (84.0%) | 76 (80.9%) |  |
 Yes | 42 (16.0%) | 18 (19.1%) |  |
BMI (kg/m2), (median, IQR) | 23.4 (21.5, 25.2) | 23.3(20.7,26.4) | 0.75 |
BMD (median, IQR) | 0.6 (0.6, 0.7) | 0.6 (0.6, 0.7) | 0.21 |
Multiple vertebral fracture | Â | Â | 0.12 |
 No | 207 (78.7%) | 66 (70.2%) |  |
 Yes | 56 (21.3%) | 28 (29.8%) |  |
Fracture site | Â | Â | 0.11 |
 Over T10 | 17 (6.5%) | 8 (8.5%) |  |
 T10–L2 | 176 (66.9%) | 58 (61.7%) |  |
 L3–L5 | 40 (15.2%) | 9 (9.6%) |  |
 Other | 30 (11.4%) | 19 (20.2%) |  |
Steroid use | Â | Â | 1.00 |
 No | 252 (95.8%) | 91 (96.8%) |  |
 Yes | 11 (4.2%) | 3 (3.2%) |  |
Anti-osteoporosis therapy | Â | Â | 0.04 |
 No | 113 (43.0%) | 52 (55.3%) |  |
 Yes | 150 (57.0%) | 42 (44.7%) |  |
Cement leakage |  |  | < 0.01 |
 No | 243 (92.4%) | 14 (14.9%) |  |
 Yes | 20 (7.6%) | 80 (85.1%) |  |
Bone cement diffusion |  |  | < 0.01 |
 No | 16 (9.1%) | 78 (83.0%) |  |
 Yes | 247 (93.9%) | 16 (17.0%) |  |
Endplate fracture |  |  | < 0.01 |
 No | 252 (95.8%) | 10 (10.6%) |  |
 Yes | 11 (4.2%) | 84 (89.4%) |  |
Fractured vertebral bodies (numbers) | 1.0 (1.0, 1.0) | 1.0 (1.0, 2.0) | 0.09 |
Hospitalization to surgery (days) | 3.0 (2.0, 4.0) | 3.0 (2.0, 5.0) | 0.40 |
Operation time after injury (days) | 9.0 (4.0, 18.0) | 10.0 (6.0, 18.0) | 0.43 |
Osteocalcin | 19.0 (14.6, 26.1) | 16.3 (12.9, 23.5) | < 0.01 |
Vitamin D | 15.5 (11.5, 21.4) | 16.2 (11.2, 22.9) | 0.73 |
Injection volume (mL) | 5.0 (4.0, 5.0) | 4.5 (3.5, 5.0) | 0.14 |
Parathyroid hormone | 41.2 (30.7 53.0) | 39.4 (32.3, 52.7) | 0.91 |
Height recovery (mm) | 9.4 (6.8,12.1) | 9.1 (6.5,12.0) | 0.51 |
High recovery rate | 0.7 (0.4, 0.9) | 0.7 (0.5, 1.0) | 0.40 |
Preoperative Cobb angle (°) | 14.1 (10.7, 18.2) | 13.7 (11.1, 19.7) | 0.41 |
Postoperative Cobb angle (°) | 4.0 (2.0,6.2) | 3.9 (1.8,6.9) | 0.69 |
Cobb angle recovery (°) | 9.9 (7.3,13.4) | 11.0 (6.9,14.9) | 0.35 |