Table 4.

Transforaminal ESIs in disc herniation and radiculitis

Study	Scoring (max. 100)	Participants	Controls	Results, short term	Results, long term
Karppinen [36]	81	160	Epidural saline	P	N
Riew [56, 57]	68	55	Epidural anesthetic	P	P
Jeong [35]	63	239	Epidural steroid ganglionic versus preganglionic	P	NA
Vad [66]	58	48	Saline trigger-point injection	P	P

Adapted from [13]