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Table 3 Age and z relationships

From: Statistical learning methods as a preprocessing step for survival analysis: evaluation of concept using lung cancer data

Censored group

Grade 1

Grade 2

Grade 3

All

n

17

49

26

92

Age (mean)

66.41

66.27

63.19

65.42

z (mean)

2.11

3.91

3.12

3.36

Incident group

Grade 1

Grade 2

Grade 3

All

n

6

34

19

59

Age (mean)

73.83

68.88

69.47

69.58

z (mean)

0.26

1.37

-0.07

0.8

  1. This table gives the mean values for age and z as a function of tumor grade and censored/incident group status. The number (n) of patients in each category is also provided.
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BioMedical Engineering OnLine

ISSN: 1475-925X

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