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.