Figure 6.
Comparison of percutaneous nephrolithotripsy or retrograde intrarenal surgery for patients with renal stones in terms of operation time. WMD, weighted mean difference; CI, confidence interval.
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.