Table 2: COPD Interventions and Comparators Evaluated in the Primary Economic Model^*.

Intervention		Comparator
Smoking cessation programs
	Intensive counselling	Usual care
	Nicotine replacement therapy	Usual care
	Intensive counselling + nicotine replacement therapy	Placebo
	Bupropion	Placebo
Multidisciplinary care teams		Usual care
Pulmonary rehabilitation		Usual care
Long-term oxygen therapy		Usual care
Ventilation strategies
	Noninvasive positive pressure ventilation + usual medical care	Usual medical care
	Weaning with noninvasive positive pressure ventilation	Weaning with invasive mechanical ventilation

^*Abbreviation: COPD, chronic obstructive pulmonary disease.