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. 2019 Feb 19;14(2):e0210602. doi: 10.1371/journal.pone.0210602

Table 4. Likelihood Ratio (LR) test results regarding goodness of fit of the selected model with respect to the full model with all observed risk factors.

The results of C-index with corresponding 95% CI are given to examine the predictive performance of different models.

LR Test Concordance Coeff. C with 95% CI
χ2 p-value Full Model Selected Model
C CI C CI
Male & Female 4.25 0.51 0.73 (0.67, 0.79) 0.72 (0.66, 0.78)
Male 1.81 0.61 0.74 (0.66, 0.82) 0.73 (0.66, 0.81)
Female 2.17 0.70 0.78 (0.68, 0.89) 0.77 (0.67, 0.88)