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Table 5 Comparison of different models for estimating the overall survival of PABM patients

From: Development and validation of two nomograms for predicting overall survival and Cancer-specific survival in prostate cancer patients with bone metastases: a population-based study

 

Training cohort

Validation cohort

Index

Estimate

95%CI

P value

Estimate

95%CI

P value

NRI (vs. AJCC stage System)

 For 1-year OS

0.428

0.238–0.557

0.433

0.137–0.645

 For 3-year OS

0.370

0.260–0.515

0.403

0.136–0.570

 For 5-year OS

0.446

0.295–0.580

0.533

0.199–0.737

IDI (vs. AJCC stage System)

 For 1-year OS

0.044

0.025–0.071

< 0.0001

0.050

0.024–0.091

< 0.0001

 For 3-year OS

0.050

0.030–0.074

< 0.0001

0.041

0.005–0.084

0.028

 For 5-year OS

0.053

0.030–0.080

< 0.0001

0.073

0.001–0.165

0.044

C-Index

 The nomogram (OS)

0.633

0.589–0.639

0.639

0.559–0.637

 AJCC Stage System

0.541

0.517–0.568

0.542

0.491–0.569

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BMC Urology

ISSN: 1471-2490

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