Table 3.

Cause of death according to phenotype

Cause	Total		Positive bronchodilator response		Non-exacerbator		Exacerbator with emphysema		Exacerbator with chronic bronchitis
	n	%	n	%	n	%	n	%	n	%
Acute exacerbation of COPD/pneumonia/respiratory sepsis	42	46.67	5	41.67	18	40.91	9	60	10	52.63
Cancer	23	25.56	4	33.33	11	25	3	20	5	26.32
Heart disease	2	2.22	0	0	2	4.55	0	0	0	0
Other	3	3.33	0	0	1	2.27	1	6.67	1	5.26
Not available	20	22.22	3	25	12	27.27	2	13.33	3	15.79