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

Table 1

Comparison of demographic and clinical characteristics of 2 groups of patients who underwent dynamic stabilization or fusion.

characteristics	Dynesys group (n = 34)	Fusion group (n = 31)	Statistic	value
Age (years)	62.8 ± 11.6	58.2 ± 12.2	t = 1.558	0.124
Sex (male/female)	11/23	9/22	χ2 = 0.084	0.772
Segments (n)	3.6 ± 0.9	4.2 ± 1.0	t = 2.546	0.013
Operating time (minutes)	249.3 ± 60.7	326.1 ± 55.0	t = 5.327	0.001
Blood loss (ml)	713.2 ± 334.4	1051.2 ± 427.7	t = 3.566	0.001
Complication n, (%)	8, (23.5)	12, (38.7)	χ2 = 1.754	0.185