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

Table 2

Results of treatment in the 7 patients.

Case number	Blood loss	Surgery time	Time to Ambulation	Time to Discharge	Fusion time	Follow-up	VAS (back)			VAS (leg)			ODI		Patient satisfaction
							Pre-operation	Post-operation	Final follow-up	Pre-operation	Post-operation	Final follow-up	Pre-operation	Final follow-up
	(ml)	(hours)	(hours)	(days)	(months)	(months)
1	140	280	48	6	6	21	8	3	1	6	2	1	56%	18%	good
2	150	270	24	4	6	17	8	2	0	5	2	1	40%	10%	excellent
3	50	320	24	3	6	17	8	2	1	9	2	0	38%	5%	excellent
4	100	270	20	3	3	14	7	2	1	6	1	1	62%	12%	excellent
5	50	290	18	3	6	12	6	2	0	8	1	0	57%	14%	excellent
6	300	280	24	4	3	12	8	3	1	5	2	1	63%	26%	good
7	30	290	24	5	3	12	7	2	2	4	1	1	59%	24%	good