From: Effects of multiple chronic conditions on health care costs: an analysis based on an advanced tree-based regression model
Cost sector
Mean absolute error
CTREE
CART
Total costs
3,690.87
3,611.64
Outpatient care
284.09
293.39
Inpatient care
1,761.90
1,709.78
Medication
2,012.37
1,919.07
Nursing care
388.12
398.37