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 |