(b).

Asthma, well-controlled∗
Age	Sex	Smoking status	Pack years	Daily ICS BDP-HFA equivalent (μg/day)	ICS in last 12 months in BDP-HFA equivalent (μg/day)
69	Female	Nonsmoker	0	0	200 (during exacerbations)
71	Male	Ex-smoker	18	200	—
75	Male	Nonsmoker	0	0	—
63	Male	Ex-smoker	0.5	1000	2000 (when needed)
52	Male	Nonsmoker	0	0	200† (exercise only)
61	Female	Nonsmoker	0	0	200 (in the last 12 months, ceased 3 months ago)
63	Male	Current smoker	43	0	200 (in high humidity, not used in the past months)
73	Male	Ex-smoker	21	1000	—
28	Male	Nonsmoker	0	125	—
69	Female	Nonsmoker	0	100†	200† (when sick)
65	Female	Nonsmoker	0	250	500 (when sick)