Table 5.

Lower limb pain results after IDET

	1 week (n=75/75)	1 month (n=75/75)	3 months (n=75/75)	6 months (n=75/75)	9 months (n=75/75)	1 year (n=75/75)	2 years (n=59/75)	3 years (n=19/75)
Worse	0	0	0	0	0	0	0	0
0%	10	8	9	9	12	17	12	6
0%< and<50%	28	25	21	14	17	13	13	5
50%≤ and<100%	33	38	40	47	43	40	26	6
100%	4	4	5	5	3	5	8	2
Improvement rate (%)*	86.67	89.33	88.00	88.00	84.00	77.33	79.66	68.42
Satisfactory rate (%)*	49.33	56.00	60.00	69.33	61.33	62.92	60.00	42.11

^*Improvement was defined as patient having pain relief of >0%. Satisfaction was defined as patient having pain relief of ≥50%.