Author
Listed:
- Chang Wook Jeong
- Jin-Woo Jung
- Woo Heon Cha
- Byung Ki Lee
- Sangchul Lee
- Seong Jin Jeong
- Sung Kyu Hong
- Seok-Soo Byun
- Sang Eun Lee
Abstract
Objectives: Currently, no standardized method is available to predict success rate after percutaneous nephrolithotomy. We devised and validated the Seoul National University Renal Stone Complexity (S-ReSC) scoring system for predicting the stone-free rate after single-tract percutaneous nephrolithotomy (sPCNL). Patients and Methods: The data of 155 consecutive patients who underwent sPCNL were retrospectively analyzed. Preoperative computed tomography images were reviewed. The S-ReSC score was assigned from 1 to 9 based on the number of sites involved in the renal pelvis (#1), superior and inferior major calyceal groups (#2–3), and anterior and posterior minor calyceal groups of the superior (#4–5), middle (#6–7), and inferior calyx (#8–9). The inter- and intra-observer agreements were accessed using the weighted kappa (κ). The stone-free rate and complication rate were evaluated according to the S-ReSC score. The predictive accuracy of the S-ReSC score was assessed using the area under the receiver operating characteristic curve (AUC). Results: The overall SFR was 72.3%. The mean S-ReSC score was 3.15±2.1. The weighted kappas for the inter- and intra-observer agreements were 0.832 and 0.982, respectively. The SFRs in low (1 and 2), medium (3 and 4), and high (5 or higher) S-ReSC scores were 96.0%, 69.0%, and 28.9%, respectively (p
Suggested Citation
Chang Wook Jeong & Jin-Woo Jung & Woo Heon Cha & Byung Ki Lee & Sangchul Lee & Seong Jin Jeong & Sung Kyu Hong & Seok-Soo Byun & Sang Eun Lee, 2013.
"Seoul National University Renal Stone Complexity Score for Predicting Stone-Free Rate after Percutaneous Nephrolithotomy,"
PLOS ONE, Public Library of Science, vol. 8(6), pages 1-8, June.
Handle:
RePEc:plo:pone00:0065888
DOI: 10.1371/journal.pone.0065888
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