Patient characteristics and procedures undertaken
| ERCP | Other endoscopy | Total | |
| Number (n) | 425 (42.5%) | 575 (57.5%) | 1,000 |
| Age (yrs) | 65.6 ± 17.0 | 53.7 ± 19.6 | 58.8 ± 19.4 |
| Gender (male / female) | 179 / 246 | 247 / 328 | 426 / 574 |
| ASA (1/2/3/4) | 43/258/117/7 | 41/361/150/23 | 84/619/267/30 |
| Nature (elective / urgent) | 340 / 85 | 517 / 58 | 857 / 143 |
| Endoscopic procedure (n): | |||
| ERCP* | 425 (42.5%) | – | – |
| stone clearance | 139 | ||
| stent insertion, removal or change | 160 | ||
| balloon sphincteroplasty or stricture dilatation | 65 | ||
| negative trawl | 69 | ||
| other miscellaneous procedures | 32 | ||
| procedure abandoned | 28 | ||
| Upper GI endoscopy | – | 437 (43.7%) | – |
| diagnostic oesophagoscopy and/or gastroscopy | 125 | ||
| diagnostic endoscopic ultrasound | 58 | ||
| stent insertion or change | 56 | ||
| EMR polypectomy | 33 | ||
| oesophageal dilatation | 43 | ||
| PEG insertion or change | 41 | ||
| ultrasound-assisted stenting or drainage | 11 | ||
| other therapeutic procedure | 67 | ||
| procedure abandoned | 3 | ||
| Lower GI endoscopy | – | 122 (12.2%) | – |
| diagnostic colonoscopy | 64 | ||
| EMR polypectomy | 31 | ||
| dilatation | 8 | ||
| other therapeutic procedure | 13 | ||
| procedure abandoned | 6 | ||
| Diagnostic upper & lower GI endoscopy | – | 16 (1.6%) | – |
| Procedure duration (min) | 34.9 ± 19.5 (3–128) | 23.5 ± 19.1 (3–156) | 28.3 ± 20.1 (3–156) |
Values are mean±SD (range) or number (%) of occurrences.
*Some patients had more than one procedure performed during ERCP.
ASA, American Society of Anesthesiologists; EMR, endoscopic mucosal resection; ERCP, endoscopic retrograde cholangiopancreatography; GI, gastrointestinal; PEG, percutaneous endoscopic gastrostomy.