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Table 2 Description of data sets used to assess external validity

From: Survival prediction models: an introduction to discrete-time modeling

Data set

Sample size

Predictors

Prop. Censoring

Median survival time

flchain

6,524

13

70%

12.7 years

metabric

1,904

9

42%

197 months

nwtco

4,028

5

86%

6.4 years

colon

888

11

52%

6.4 years

pbc

276

17

80%

6.7 years

  1. metabric (Molecular Taxonomy of Breast Cancer International Consortium) is obtained from the Python DeepSurv package [42]. The remaining data sets are from the R survival package [22]: flchain (Assay Of Serum Free Light Chain), nwtco (National Wilm’s Tumor Study), colon (Chemotherapy for Stage B/C colon cancer), pbc (Mayo Clinic Primary Biliary Cholangitis Data)
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BMC Medical Research Methodology

ISSN: 1471-2288

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