Table 2 Comparison of maximum stress values of four groups of models (\(\overline{\mathrm{x}}\pm \mathrm{s }\), mPA, P < 0.01)
From: Finite element analysis of dynamic changes in spinal mechanics of osteoporotic lumbar fracture
Working condition | Conservative treatment group | Open surgical treatment group | PKP group | PVP group |
|---|---|---|---|---|
Vertical load | 11.97 ± 4.29 | 11.61 ± 3.26 | 10.87 ± 1.98 | 10.67 ± 5.17 |
Anteflexion | 42.24 ± 7.92 | 41.87 ± 9.03 | 35.10 ± 6.09 | 37.27 ± 2.92 |
Extension | 42.72 ± 6.28 | 41.64 ± 7.35 | 39.79 ± 8.03 | 38.07 ± 5.58 |
Left flexion | 54.49 ± 8.01 | 42.72 ± 3.65 | 36.24 ± 3.97 | 37.31 ± 4.12 |
Right flexion | 52.63 ± 6.77 | 41.70 ± 7.02 | 35.03 ± 2.55 | 38.20 ± 2.84 |
Left rotation | 16.17 ± 5.11 | 13.22 ± 1.60 | 13.24 ± 2.04 | 13.18 ± 2.13 |
Right rotation | 14.42 ± 2.15 | 11.74 ± 1.04 | 11.55 ± 0.99 | 11.72 ± 1.79 |