Percutaneous Endoscopic Transforaminal Lumbar Interbody Fusion for the Treatment of Lumbar Spinal Stenosis: Preliminary Report of Seven Cases with 12-Month Follow-Up

Table 1

Characteristics of 7 patients with PE-TLIF.

Case number	Sex	Age (years)	Pathological cause	Lesion segment	Intermittent claudication (meters)	Duration of symptom (years)	Comorbidity
1	Female	77	Severe LSS	L4/5	100	4	Pulmonary Fibrosis, Hypertension, Hyperlipidemia
2	Male	43	Moderate LSS	L4/5	None	3	None
3	Female	57	Moderate LSS	L4/5	100	2	None
4	Female	48	Mild LSS	L4/5	50	1	None
5	Female	43	Moderate LSS	L4/5	100	3	Hypertension, Diabetes
6	Female	68	LSS with degenerative spondylolisthesis	L4/5	100	20	None
7	Female	63	Moderate LSS	L4/5	None	2	None