Fig 1.
Study flowchart for patient selection.
Table 1.
Baseline characteristics of the total cohort and each development cohort.
Table 2.
Multivariate logistic regression models in the development cohorts.
Panel A represents stone-free after the first session of Shock-wave lithotripsy (SWL) and panel B shows stone-free within the third session of SWL.
Fig 2.
Nomograms predicting stone-free rates.
(A) after the first session of shock-wave lithotripsy (SWL) without CT information, (B) after the first session of SWL with CT information, (C) within the third session of SWL without CT information, (D) within the third session of SWL with CT information.
Table 3.
The concordance index (c-index) yielded by AUC to evaluate the predictive discrimination of the nomograms.
Fig 3.
Calibration plots for nomograms predicting stone-free rates after the first and within the third session of SWL with and without CT information.
(A) Total-development cohort, (B) CT-development cohort.