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.
Validation of the best cut-off for predicting the risk of stone formation. (A) The distribution, retest results, and proportion of calcium oxalate crystal and non-crystal groups in the calcium oxalate stone validation group; (B) The distribution, retest results, and proportion of calcium oxalate crystals and non-crystal groups in the normal validation group.
