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Table 4 Larynx dataset. Coefficients (coef) and standard error (se) are listed for each implementation

From: Accurate training of the Cox proportional hazards model on vertically-partitioned data while preserving privacy

Covariates

coef_lib

coef_newton

coef_mpc

se_lib

se_newton

se_mpc

Age

0.018900

0.018902

0.018906

0.014251

0.014251

0.014228

Stage_II

0.138424

0.138564

0.138550

0.462319

0.462319

0.462293

Stage_III

0.638148

0.638350

0.638260

0.356090

0.356090

0.356112

Stage_IV

1.693331

1.693056

1.692993

0.422179

0.422179

0.422164

  1. Convergence was reached in three iterations for ‘lib’, and in four iterations for ‘newton’ and ‘mpc’. The secure implementation ‘mpc’ took 740 seconds to complete
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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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