Table 4.

The proportion of patients who were able to discontinue the medication.

	Anticonvulsant			Analgesics
	TFEI Group, n (%)	ESPB Group, n (%)	p-Value	TFEI Group, n (%)	ESPB Group, n (%)	p-Value
1 week	1/31 (3.12%)	0/21 (0.00%)	0.413	1/31 (3.12%)	0/21 (0.00%)	0.413
1 month	3/29 (9.37%)	6/15 (28.57%)	0.069	6/26 (18.75%)	8/13 (38.09%)	0.202
2 months	25/7 (78.13%)	19/2 (90.48%)	0.126	26/6 (81.25%)	20/1 (95.24%)	0.223
3 months	29/3 (90.63%)	20/1 (95.24%)	0.644	29/3 (90.63%)	21/0 (100.00%)	0.149

TFEI: Transforaminal epidural injection. ESPB: Erector spinae plane block.