Table 1 Demographic data of study cohorts
Parameter | Overall | RA | FP | FH | P value |
|---|---|---|---|---|---|
No. of patients | 74 | 30 | 14 | 30 | Â |
Female, n (%) | 27 (36.0) | 10 (33.3) | 8 (57.1) | 8 (26.7) | 0.138 |
Age (years) | 46.05 ± 12.73 | 49.13 ± 10.19 | 41.64 ± 17.96 | 45.03 ± 11.80 | 0.129 |
BMI (kg/m2) | 22.88 ± 3.78 | 22.99 ± 5.12 | 21.29 ± 2.21 | 23.50 ± 2.44 | 0.136 |
Preoperative diagnosis, n (%) | 1.000 | ||||
 T11 fracture | 5 (6.8) | 2 (6.6) | 1 (7.1) | 2 (6.6) |  |
 T12 fracture | 20 (27.0) | 8 (26.7) | 4 (28.6) | 8 (26.7) |  |
 L1 fracture | 34 (45.9) | 14 (46.7) | 6 (42.9) | 14 (46.7) |  |
 L2 fracture | 15 (20.3) | 6 (20.0) | 3 (21.4) | 6 (20.0) |  |
Level of screw instruments, n (%) |  |  |  |  | – |
 T10 | 14 (3.2) | 2 (1.3) | 2 (2.6) | 10 (4.9) |  |
 T11 | 58 (13.2) | 14 (8.9) | 10 (12.8) | 34 (16.7) |  |
 T12 | 113 (25.7) | 44 (31.7) | 22 (28.2) | 47 (23.1) |  |
 L1 | 120 (27.3) | 54 (34.2) | 20 (25.6) | 46 (22.7) |  |
 L2 | 88 (20.0) | 36 (22.8) | 12 (15.4) | 40 (19.7) |  |
 L3 | 36 (8.2) | 8 (5.1) | 8 (10.3) | 20 (9.9) |  |
 L4 | 10 (2.3) | 0 (0) | 4 (5.1) | 6 (3.0) |  |