Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The Number of ERCP Attempts between Single-stage Endoscopic Stone Removal and Two-stage Endoscopic Stone Removal.
| Number of ERCP attempts | Single-stage endoscopic stone removal |
Two-stage endoscopic stone removal |
p value |
|---|---|---|---|
| 1 | 80/114 (70.2%) | 15/231 (6.5%) | |
| 2 | 30/114 (26.3%) | 183/231 (79.2%) | |
| 3 | 4/114 (3.5%) | 28/231 (12.1%) | |
| 4 | 0/114 (0%) | 4/231 (1.7%) | |
| 5 | 0/114 (0%) | 1/231 (0.43%) | |
| <0.0001 |
ERCP: endoscopic retrograde cholangiopancreatography
