Analysis of Lumbar Sagittal Curvature in Spinal Decompression and Fusion for Lumbar Spinal Stenosis Patients under Roussouly Classification

Table 1

Baseline characteristics of the 4 groups with Roussouly classification.

	Total	Roussouly type I	Roussouly type II	Roussouly type III	Roussouly type IV	value
Age (years)						0.033
Gender ()						0.66
Male	73	16	42	6	9
Female	87	23	47	11	6
BMI (kg/m^2)						0.644
Duration of symptom (months)						0.705
Number of fusion segments						0.297
Operative time (minutes)						0.858
Blood loss (ml)						0.107
Length of hospital stay (days)						0.767
Follow-up (months)						0.250