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Table 3 Variable importance of gradient boosting decision trees (top 10 variables)

From: Performance evaluation of case definitions of type 1 diabetes for health insurance claims data in Japan

Items Codesa Importance
Insulin needles for type 1 diabetes patients 114010970 0.324
Age   0.139
Test for HbA1c 160010010 0.05
Glucometers for type 1 diabetes or child glycemia patients (more than 120 times) 160151050 0.029
Urinalysis for quantitative measurement of Albumin 160004810 0.029
Test for Glycoalbumin 114015610 0.025
Standard psychoanalytic treatment 160000310 0.019
Urinalysis 180006810 0.016
Syringe pump for intermittent infusion 114022010 0.016
Confirmed diagnosis of eating disorder F50 0.013
  1. aICD10 Codes for diseases, and claims code for medical practices