The Therapeutic Evaluation of Spinal Canal Decompression by Using the TBEIS Technique in the Treatment of Lumbar Spinal Stenosis

Table 3

VAS and ODI improvements.

Follow-up	Median (range)	value
VAS of leg (0-10)
Preoperation	6.91 (5-8)
1 day after the operation	1.69 (1-3)	<0.01
1 month after the operation	1.23 (0-2)	<0.01
12 months after the operation	0.91 (0-2)	<0.01
VAS of back (0-10)
Preoperation	4.51 (3-6)
1 day after the operation	1.77 (1-3)	<0.01
1 month after the operation	0.86 (0-2)	<0.01
12 months after the operation	0.66 (0-2)	<0.01
ODI (0-100)
Preoperation	63.82 (52-76)
1 day after the operation	38.79 (28-52)	<0.01
1 month after the operation	24.79 (18-32)	<0.01
12 months after the operation	11.33 (6-22)	<0.01