Table 1 The C-index and 95% CI of different OS predictive models.

From: Cuproptosis-related risk score based on machine learning algorithm predicts prognosis and characterizes tumor microenvironment in head and neck squamous carcinomas

 

C-index

95% CI

Fast survival SVM

0.595

0.557–0.633

Random survival forest

0.747

0.714–0.780

Tree gradient boosting

0.819

0.793–0.847

Componentwise gradient boosting

0.568

0.527–0.608

Cox PH survival

0.665

0.629–0.690

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