Comparison between Dynamic Stabilization and Instrumented Fusion in the Treatment of Spinal Stenosis with Degenerative Lumbar Scoliosis

Table 2

Clinical outcomes

	Dynesys group (n = 34)	Fusion group (n = 31)	value
^aVASback
Pre op	5.3 ± 1.7	5.5 ± 1.9	0.502
6 months postoperative	2.2 ± 1.2	3.2 ± 1.1	0.009
Last follow-up	2.1 ± 1.0	2.8 ± 1.1	0.008
^bVASleg
Pre op	5.6 ± 1.5	5.8 ± 1.2	0.367
6 months postoperative	1.6 ± 0.4	1.7 ± 0.4	0.952
Last follow-up	1.8 ± 0.5	1.9 ± 0.4	0.583
ODI (%)
Pre op	64.9 ± 16.8	63.2 ± 18.3	0.550
6 months postoperative	31.2 ± 10.3	32.9 ± 11.2	0.670
Last follow-up	21.8 ± 9.2	30.5 ± 10.1	0.001
LSDI (%)
Pre op	21.6 ± 9.4	23.2 ± 10.3
Last follow-up	24.9 ± 9.7	40.4 ± 10.4	0.001

^aVAS_back VAS scores for back pain, ^bVAS_leg VAS scores for leg pain.