Table 4 Logistic regression analysis of predictor variables for deterioration of health status (multiple regression with n = 95). * p < 0.05; ** p < 0.01; ∫: expanded data collection; ORs s are adjusted for variables in multiple; abbreviations: B = regression coefficient, OR = odds ratio, 95% CI = 95% confidence interval, p = significance
Simple regression | Multiple regression | |||||
|---|---|---|---|---|---|---|
Variables | B | OR (95% CI) | p | B | OR (95% CI) | p |
FEV1 (%) | -0.018 | 0.982 (0.97-1.00) | 0.009** | -0.004 | 0.996 (0.97–1.02) | 0.724 |
SGRQ total score | 0.022 | 1.022 (1.01–1.04) | 0.006** | 0.031 | 1.032 (0.99–1.07) | 0.118 |
Chronic bronchitis | 0.806 | 2.238 (1.25–4.02) | 0.007** | 0.370 | 1.448 (0.46–4.53) | 0.525 |
Exacerbations in the prior 2 years | 0.821 | 2.273 (1.29–3.99) | 0.004** | 0.709 | 2.031 (1.03–4.02) | 0.042* |
CAT score ∫ | 0.064 | 1.066 (1.01–1.13) | 0.030* | |||