Research Article

A Novel Predictive Nomogram including Serum Lipoprotein a Level for Nonsentinel Lymph Node Metastases in Chinese Breast Cancer Patients with Positive Sentinel Lymph Node Metastases

Table 3

Improved predictive ability of new nomogram compared to the MSKCC model in Chinese patients by NRI.

Improved ability (95% CI) value

NRI0.121 (0.081-0.202)0.011