Sentence examples for concordance statistic from inspiring English sources

The discrimination of the statistical models was assessed using Harrell's concordance statistic (c-statistic).

Wang, M. & Long, Q. Addressing issues associated with evaluating prediction models for survival endpoints based on the concordance statistic.

The concordance statistic for survival data indicates the probability that for a randomly chosen pair of persons, the one having the higher predicted survival is the one who survives longer: 0.5 indicates no discriminative ability and 1.0 indicates no false classifications.

A P-value was computed for each concordance statistic.

‡P value compares concordance statistic of conventional model (M1) with model that includes MRI variable(s).

This model yielded a concordance statistic of 0.80, which indicated good discrimination.

We also compared the concordance statistics (C-statistic) (Harrell et al, 1996) to evaluate the differences in discrimination for the two classifications.

We then estimated the concordance-statistic (c-statistic or area under the Receiver Operating Characteristic curve) for the PHQ-9.

12. International comparisons of predictive model performance, as measured by the C (concordance -statistic: It was determined from the group's presentations that concordance -statisticfer across countrIts in comorbidity-based mortality predictions, but it is not understood was.

[10] We used conventional logistic regression to generate predicted probabilities of TB, plotted the fraction of true positives versus the fraction of false positives at various thresholds of predicted probability as a receiver operating characteristic curve, and measured model accuracy using the concordance (C) statistic (area under the curve).

To quantify the discrimination, we used the concordance (c) statistic.