| GOLD diagnostic standard | |||||
---|---|---|---|---|---|---|
 | Age < 65 years | Age ≥ 65 years | ||||
Variable | Coefficient | 95% CI | p value | Coefficient | 95% CI | p value |
≥1 Outpatient ICD-9 visit | 1.266 | 1.13, 1.40 | <0.001 | 1.394 | 1.24, 1.55 | <0.001 |
≥1 Inpatient ICD-9 visit | 1.262 | 0.77, 1.75 | <0.001 | 0.575 | 0.13, 1.02 | 0.01 |
≥3 Ipratropium MDI | 0.708 | 0.56, 0.85 | <0.001 | 0.603 | 0.44, 0.76 | <0.001 |
≥6 Albuterol MDI | 0.603 | 0.47, 0.74 | <0.001 | 0.454 | 0.29, 0.62 | <0.001 |
Age (per decade) | 0.46 | 0.38, 0.55 | <0.001 | -0.05 | -0.2, 0.1 | 0.39 |
Intercept | -4.021 | -4.49, -3.55 | <0.001 | -0.475 | -1.33, 0.39 | 0.28 |
 | LLN diagnostic standard | |||||
 | Age < 65 years | Age ≥ 65 years | ||||
Variable | Coefficient | 95% CI | p value | Coefficient | 95% CI | p value |
≥1 Outpatient ICD-9 visit | 1.260 | 1.12, 1.40 | <0.001 | 1.501 | 1.33, 1.67 | <0.001 |
≥1 Inpatient ICD-9 visit | 1.163 | 0.73, 1.59 | <0.001 | 0.475 | 0.22, 0.84 | 0.01 |
≥3 Ipratropium MDI | 0.736 | 0.59, 0.88 | <0.001 | 0.662 | 0.59, 0.82 | <0.001 |
≥6 Albuterol MDI | 0.606 | 0.47, 0.74 | <0.001 | 0.509 | 0.35, 0.66 | <0.001 |
Age (per decade) | 0.16 | 0.07, 0.2 | <0.001 | -0.28 | -0.4, -0.2 | <0.001 |
Intercept | -2.604 | -3.03, -2.18 | <0.001 | 0.319 | -0.54, 1.18 | 0.47 |