Article Figures & Data
Tables
- Table 1
Average Range of Motion Over Time for Lumbar Total Disc Replacement and Lumbar Discectomy
Procedure Movement SRot SRot Rotation (°) cRot aRot LTDR Flexion 1.8 ± 3.3 -0.4 ± 0.8 0.2 ± 0.9 Extension -0.6 ± 1.1 -0.2 ± 0.7 -0.1 ± 0.8 Total Sagittal 3.5 ± 2.4 0.8 ± 0.7 1.0 ± 0.7 LD Flexion 2.8 ± 2.6 0.0 ± 0.2 -0.2±1.0 Extension -2.2 ± 1.6 0.1 ± 0.9 0.0 ± 0.3 Total Sagittal 4.7 ± 2.2 0.7 ± 1.4 1.5 ± 2.6 LTDR N Proportion of Paradoxical Motion Mean (SD) Test w/ Test Proportion Total 53 0.264 (0.445)* LD Total 0.067
Flexion
26
0.269 (0.452)LTDR Extension
0.259Extension 27 0.259 (0.447) L4-5 26 0.192 (0.402) L2-3 11 0.364 (0.505)* LTDR L4-5 0.192 L5-S1 16 0.313 (0.479)* LTDR L4-5 0.192 1Mo 10 0.400 (0.516) 1Yr 19 0.211 (0.419)* LTDR 1Mo 0.4 2Yr 24 0.250 (0.442)* LTDR 1Mo 0.4 Mono-segmental 34 0.265 (0.448) Bi-segmental 19 0.263 (0.452) LTDR 1-level 0.265 Comparison of total cases between LTDR and LD and comparison of LTDR cases between each motion, level, post-operative time-point and number-of-operation.
↵* Significantly different with changes in testing proportion