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Retrospective Study
Copyright: ©Author(s) 2026.
World J Transplant. Jun 18, 2026; 16(2): 118450
Published online Jun 18, 2026. doi: 10.5500/wjt.v16.i2.118450
Figure 1
Figure 1 Evaluation of cluster number using the elbow and silhouette methods. A: The elbow method, highlighting a sharp decline in within-cluster variance at k = 3; B: Silhouette scores across k values, peaking at k = 3. Together, these findings support the selection of three clusters for stratifying immunologic risk.


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