fig1

Figure 1. Distribution of the propensity scores. Before PSM (left) and after PSM (right). PSM: propensity score matching; OPN: open partial nephrectomy; RAPN: robot-assisted partial nephrectomy.
Figure 1. Distribution of the propensity scores. Before PSM (left) and after PSM (right). PSM: propensity score matching; OPN: open partial nephrectomy; RAPN: robot-assisted partial nephrectomy.
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