[Retracted] Outcome of Percutaneous Transforaminal Endoscopic Lumbar Decompression for Multisegment Lumbar Spinal Stenosis and the Effect on VAS Scores

Table 1

Comparison of baseline information between the two groups.

Items	PTED group (n = 70)	TOS group (n = 56)	t/χ^2
Age (years old)	65.29 ± 4.16	64.91 ± 4.43	0.495	0.622
Gender (cases)			0.058	0.810
Male	39 (55.71)	30 (53.57)
Female	31 (44.29)	26 (46.43)
Typology (cases)			0.191	0.909
Lateral recess stenosis	36 (51.43)	30 (53.57)
Central spinal canal stenosis	25 (35.71)	18 (32.14)
Intervertebral foraminal stenosis	9 (12.86)	8 (14.29)
Narrow segments (cases)			0.014	0.904
L3–5	32 (45.71)	25 (44.64)
L4-5-S1	38 (54.29)	31 (55.36)