Endoscopic ultrasound-guided treatments: Are we getting evidence based - a systematic review

Table 1 Level of evidence per subject

Level of evidence	Ia	Ib	IIa	IIb	III	IV	Total
EUS-GD of pancreatic fluid collections	1	5	0	16	42	20	84
EUS-guided necrosectomy	1	1	0	0	15	3	20
EUS-guided cholangiography and biliary drainage	0	1	0	7	37	40	85
EUS-guided pancreatography and pancreatic duct drainage	0	0	0	0	9	6	15
EUS-guided gallbladder drainage	0	1	0	3	1	2	7
EUS-GD of abdominal (non-peripancreatic) and pelvic collections	0	0	0	2	3	2	7
EUS-guided Celiac Plexus Neurolysis or Block	4	7	1	5	16	19	52
EUS-guided ethanol ablation	0	1	0	5	13	9	28
EUS-guided tumor ablation	0	0	0	9	4	21	34
EUS-guided fiducial placement	0	0	0	2	10	14	26
EUS-guided vascular intervention	0	1	0	2	15	5	23
Total	6	17	1	51	165	141	381

EUS-GD: Endoscopic ultrasound-guided drainage.