Table 3.
Study of univariate and multivariate association of change in CAT score from exacerbation to stable state, categorized into three categories (5–6 points, 7–12 points, and over 12)
|
Variable |
Univariate |
Multivariate |
||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P | OR | 95% CI | P | |
| Type of exacerbation (inpatient vs. outpatient RC) |
2.3 |
1.6 to 3.2 |
<0.001 |
|
|
|
| Gender (men vs. women RC) |
2.3 |
1.6 to 3.3 |
0.051 |
|
|
|
| Waist circumference |
0.994 |
0.992 to 0.996 |
<0.001 |
|
|
|
| Smoking status (current vs. former smoker RC) |
1.64 |
1.17 to 2.32 |
0.004 |
|
|
|
| Exacerbations previous year |
0.89 |
0.85 to 0.93 |
<0.001 |
|
|
|
| FEV1 (%) |
0.99 |
0.98 to 0.99 |
<0.001 |
|
|
|
| CAT at inclusion |
0.96 |
0.95 to 0.97 |
<0.001 |
0.84 |
0.81 to 0.86 |
<0.001 |
| CCQ at inclusion | 0.84 | 0.80 to 0.87 | <0.001 | |||
Independent variables: waist circumference, exacerbations in the previous year, FEV1 (%) and CAT and CCQ at inclusion were continuous variables. The strength of the association is presented by the OR and 95% confidence interval obtained by logistic regression.
OR odds ratio, CI confidence interval, RC Reference category.