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Table 5 Results of the bootstrap analysis for the variable selection in the models

From: Risk scores to predict mortality 2 and 5 years after surgery for colorectal cancer in elderly patients

  Mortality to 2 years (%) Mortality to 5 years (%)
Hgb (g/dl) at baseline and localisation 26.56 -
ASA class 9.90 -
Residual tumour classification 19.78 -
 TNM 16.32 -
 LODDS 17.76 3.19
 Complications during admission 6.27 -
 Invasion: vascular, perineural, lymphatic 3.41 1.82
 Diagnosis tests performed within the first year of follow-up - 22.61
 Any complication due to the treatment within the 2 year follow-up - 9.46
 Age at baseline & Radiotherapy treatment within the 2 year follow-up - 12.60
Colostomy closure within the 2-year follow-up period - 9.65
 Medical complications within the 2-year follow-up period - 10.27
 Tumour recurrence within the 2-year follow-up period - 14.50
 Readmissions within the 2-year follow-up period - 15.89
  1. % percentage, - not applicable