Table 5

Out-of-sample (fivefold cross-validation) performance comparisons among Cox model, RSF model and RSF-NMF model with all variables

PrecisionRecallF1-score
Cox model0.75650.72800.7420
RSF model0.83380.85310.8433
RSF-NMF model0.87120.88810.8796
  • P-values less than 0.05 are shown in bold text.

  • NMF, non-negative matrix factorisation; RSF, random survival forest.