Table 2. The association between concurrent physician-diagnosed asthma and COPD compared to COPD or asthma with all-cause, cardiovascular and respiratory mortality rates adjusted for time (calendar year), sex, and age.
| Mortality rate | Odds Ratio (95% Confidence Interval) | ||
|---|---|---|---|
| Asthma and COPD vs. asthma | Asthma and COPD vs. COPD | ||
| All-cause mortality | |||
| For entire samplea | 1.56 (1.55–1.58) | 0.97 (0.96–0.98) | |
| Model: age*condition (p<0.001) | Age 35–49 | 3.24 (3.09–3.40) | 1.22 (1.16–1.28) |
| Age 50–64 | 2.16 (2.05–2.28) | 1.04 (0.99–1.10)b | |
| Age 65 and older | 1.43 (1.36–1.50) | 0.96 (0.91–1.00) b | |
| Model: sex*condition (p<0.001) | Males | 1.50 (1.48–1.53) | 0.98 (0.97–1.00) b |
| Females | 1.61 (1.60–1.63) | 0.96 (0.95–0.97) | |
| Cardiovascular-related mortality | |||
| For entire sample a | 1.47 (1.45–1.49) | 0.92 (0.91–0.94) | |
| Model: age*condition (p<0.001) | Age 35–49 | 3.32 (2.95–3.73) | 1.24 (1.10–1.40) |
| Age 50–64 | 2.19 (1.93–2.49) | 1.07 (0.95–1.22) b | |
| Age 65 and older | 1.38 (1.22–1.55) | 0.91 (0.80–1.02) b | |
| Model: sex*condition (p<0.001) | Males | 1.40 (1.36–1.45) | 0.95 (0.93–0.98) |
| Females | 1.52 (1.49–1.55) | 0.89 (0.88–0.91) | |
| Respiratory related mortality | |||
| For entire sample a | 1.84 (1.81–1.88) | 1.39 (1.37–1.41) | |
| Model: age*condition (p<0.001) | Age 35–49 | 6.26 (5.37–7.30) | 1.90 (1.64–2.20) |
| Age 50–64 | 3.09 (2.62–3.64) | 1.71 (1.46–2.00) | |
| Age 65 and older | 1.71 (1.46–1.99) | 1.36 (1.17–1.57) | |
| Model: sex*condition (p<0.001) | Males | 1.72 (1.65–1.78) | 1.45 (1.40–1.49) |
| Females | 1.95 (1.90–2.00) | 1.33 (1.30–1.36) | |
a Statistical Model: year, age, sex without interaction term
b—non-significant (p values ≥0.05)