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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.