TABLE 5. Performance Given Different Feature Sets (AECOPD).

Feature	Model	Accuracy	Sensitivity	Precision	F1
All features	Random forest	0.921	0.904	0.943	0.923
Environmental & lifestyle features	Decision tree	0.835	0.794	0.878	0.834
Clinical questionnaire features	LDA	0.695	0.714	0.769	0.740