Research Article

Presentations to Emergency Departments for COPD: A Time Series Analysis

Figure 2

Monthly COPD ED visits per 100,000 individuals, April, 1999, to March, 2011, with overlay of trend component.
(a) Overall
(b) Female, age 55–64
(c) Female, age 65+
(d) Male, age 55–64
(e) Male, age 65+
(f) North
(g) Edmonton
(h) Central
(i) Calgary
(j) South