Title

Evaluation and comparison of urolithiasis scoring systems used in percutaneous kidney stone surgery

Publication Date

2015

Journal Title

J Urol

Abstract

PURPOSE: Contemporary predictive tools for percutaneous nephrolithotomy outcomes include the Guy stone score, S.T.O.N.E. nephrolithometry and the CROES nephrolithometric nomogram. We compared each scoring system in the same cohort to determine which was most predictive of surgical outcomes. METHODS: We retrospectively reviewed the records of patients who underwent percutaneous nephrolithotomy between 2009 and 2012 at a total of 3 academic institutions. We calculated the Guy stone score, the S.T.O.N.E. nephrolithometry score and the CROES nephrolithometric nomogram score based on preoperative computerized tomography images. A single observer at each institution reviewed all images and assigned scores. Univariate and multivariate analysis was done to determine the most predictive scoring system. RESULTS: We enrolled 246 patients in study. In stone-free patients vs those with residual stones the mean Guy score was 2.2 vs 2.7, the mean S.T.O.N.E. score was 8.3 vs 9.5 and the mean CROES nomogram score was 222 vs 187 (each p

Volume Number

193

Issue Number

1

Pages

154-9

Document Type

Article

EPub Date

2014/08/05

Status

Faculty

Facility

School of Medicine

Primary Department

Urology

PMID

25088952

DOI

10.1016/j.juro.2014.07.104