TABLE V. Five Most Important Features.

Model	Most important features
Decision tree	NTproBNP, CRP2, ALB2, temp, symptom
Random forest	CRP2, NTproBNP, cTnI, LYM1, ALB2
Gradient boosted trees	CRP2, cTnITimes, LYM1, NTproBNP, phlegm
Neural networks	NTproBNP, CRP2, CRP1, LDH, age