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Table 4 The importance of each variable for prediction

From: RNSCLC-PRSP software to predict the prognostic risk and survival in patients with resected T1-3N0–2 M0 non-small cell lung cancer

Variable Importance Standard importance
Tumor extension 0.045 100.0%
N stage 0.016 35.5%
NPLNs 0.015 33.1%
Histology 0.007 15.4%
Surgery type 0.007 14.9%
Age 0.005 11.5%
Gender 0.005 10.6%
Histological grade 0.004 9.8%
Primary site 0.002 4.9%
Marital status 0.002 3.6%
NELNs 0.001 2.8%
Tumor size 0.001 2.2%
Race 0.001 1.4%
Laterality 0.000 1.0%
  1. Abbreviations: NPLNs Number of positive regional lymph nodes, NELNs Number of examined regional lymph nodes, CRT Classification regression tree
  2. Method: CRT
  3. Y: survival status
  4. a According to the eighth edition AJCC/UICC stage classification for NSCLC