Table 4 Top five features of importance among machine learning models.

From: Machine learning-based prediction model using clinico-pathologic factors for papillary thyroid carcinoma recurrence

Rank Decision tree Random forest XGBoost LightGBM
1st Contralateral CLN metastasis LNR Tumor size Age
2nd LNR Ipsilateral CLNs metastasis Age Tumor size
3rd Age Contralateral CLNs metastasis Ipsilateral CLNs metastasis Ipsilateral CLNs metastasis
4th   Tumor size LNR LNR
5th   Age Contralateral CLNs metastasis Contralateral CLNs metastasis
  1. LN lymph node, LNR lymph node ratio.