Table 1.

Locoregional technique setting

#Number	Age	Surgery	Indication	Technique	Level	Needle
#1[10]	54	Abdominal surgery	PO analgesia	Epidural	Thoracic	N
#2[11]	74	Abdominal surgery	PO analgesia	Epidural	T9-T10	18 G-Tuohy
#3[12]	64	Inguinal herniorrhaphy	Anesthesia	Spinal	Lumbar	22 G-Quincke
#4[13]	46	Gynecologic surgery	PO analgesia	Epidural	T7-T8	16 G-Tuohy
#5[14]	89	Abdominal surgery	PO analgesia	Epidural	T8-T9	N
#6[15]	70	-	Steroid injection	Epidural	L1-L2	22 G-Tuohy
#7[16]	28	-	Steroid injection	Epidural	Cervical	N
#8[17]	31	Cesarean delivery	Anesthesia	Spinal	L3-L4	26 G-Quincke
#9[18]	75	-	PRS	Epidural	Sacral	22G
#10[19]	56	Orthopedic surgery	Anesthesia	Spinal	L3-L4	23 G-Quincke
#11[20]	81	-	Steroid injection	Epidural	L4-L5	22 G-Tuohy
#12[21]	30	-	Blood patch	Epidural	L5-S1	N
#13 [22]	35	Labor	Analgesia	Epidural	L2	18 G-Tuohy
#14[23]	59	Vascular surgery	PO analgesia	Epidural	N	N
#15[24]	59	Orthopedic surgery	Anesthesia	Spinal	L3-L4	23 G-Quincke
#16[25]	31	Labor	Analgesia	Epidural	N	17 G-Tuohy
#17[26]	69	Aortic aneurysm	Anesthesia	Spinal	L3-L4	27 G-Quincke
#18[27]	64	-	IL Steroid injection	Epidural	C7-T1	20 G-Tuohy

PO: post-operative; IL: interlaminar; N: not clearly stated; G: gauge; PRS: pulsed radiofrequency stimulation