An Externally-Validated Dynamic Nomogram Based on Clinicopathological Characteristics for Evaluating the Risk of Lymph Node Metastasis in Small-Size Non-small Cell Lung Cancer.

Front Oncol · 2020 · PMC7426394 · PMID 32850420

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slightly significantno p-value reported

The two cohorts were similar in most of characteristics except smoking history ( P = 0.049) and imaging density ( P = 0.039), the distribution of which were with slightly significant difference.

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