Table 3.

ASPN Best Practices Guidelines for DRG Stimulation Evidence Ranking

Indication	Grade	Level of Certainty	Evidence	Studies
CRPS I and II	A	High	I	[1,10,14,72,88–106]
Post-Hernia Repair	B	Moderate	II-2	[101,105,114–117]
Post-Joint Surgery	C	Low	III	[99,102,104,121–124]
FBSS	C	Low	III	[2,8,77,82,106,125,126]
Post-Amputation	I	Low	III	[103,135]
Nonsurgical Low Back Pain	C	Low	III	[9]
Peripheral Neuropathy	C	Low	III	[58,127–134]
Pelvic Pain	C	Low	III	[97,98,143–147]
Post-Herpetic Neuralgia	I	Low	III	[71,121,136–141]