Univariable (total n = 66) | Multivariable (n = 57) | |||||
---|---|---|---|---|---|---|
Variables | n | Incorrect, n (%) | OR (95% CI) | p-value | aOR (95% CI) | p-value |
Age | ||||||
  > 75 years | 28 | 20 (71.4) | 3.8 (1.3–10.9) | 0.010* | 1.9 (0.5–7.3) | 0.345 |
  ≤ 75 years (Ref) | 38 | 15 (39.5) |  |  |  |  |
Education | ||||||
 Low (≤ 6 years) | 36 | 22 (61.1) | 2.1 (0.8–5.5) | 0.150 | 1.2 (0.3–4.5) | 0.760 |
 High (> 6 years) (Ref) | 30 | 13 (43.3) |  |  |  |  |
Duration of disease | ||||||
  > 3 years | 38 | 23 (60.5) | 2.0 (0.8–5.5) | 0.155 | 3.5 (0.8–16.2) | 0.105 |
  ≤ 3 years (Ref) | 28 | 12 (42.9) |  |  |  |  |
Baseline FEV1 | ||||||
  < 50% predicted | 20 | 12 (60.0) | 1.5 (0.5–4.4) | 0.454 |  |  |
  ≥ 50% predicted (Ref) | 46 | 23 (50.0) |  |  |  |  |
Baseline mMRC scale score | ||||||
  ≥ 2 | 27 | 17 (63.0) | 2.0 (0.7–5.4) | 0.179 | 1.1 (0.3–4.9) | 0.877 |
  < 2 (Ref) | 39 | 18 (46.1) |  |  |  |  |
Baseline CAT score | ||||||
  ≥ 10 | 26 | 15 (57.7) | 1.4 (0.5–3.7) | 0.541 |  |  |
  < 10 (Ref) | 40 | 20 (50.0) |  |  |  |  |
Frequent exacerbations | ||||||
 Yes | 20 | 10 (50.0) | 0.8 (0.3–2.4) | 0.745 |  |  |
 No (Ref) | 46 | 25 (54.3) |  |  |  |  |
Number of devices | Â | Â | Â | Â | Â | Â |
  ≥ 2 devices | 47 | 23 (48.9) | 0.6 (0.2–1.7) | 0.295 |  |  |
  < 2 devices (Ref) | 19 | 12 (63.2) |  |  |  |  |
Prescribed inhalers | ||||||
 Newly prescribed (≤ 6 months) | 11 | 3 (27.3) | 0.3 (0.1–1.1) | 0.061 | 0.5 (0.1–3.5) | 0.479 |
 Long standing (> 6 months) (Ref) | 55 | 32 (58.2) |  |  |  |  |
MoCA score | ||||||
  ≤ 24 | 46 | 25 (54.3) | 1.4 (0.4–5.4) | 0.596 |  |  |
  > 24 (Ref) | 11 | 5 (45.5) |  |  |  |  |
  ≤ 16 | 16 | 14 (87.5) | 10.9 (2.2–54.7) | 0.001* | 12.7 (1.8–88.2) | 0.010* |
  > 16 (Ref) | 41 | 16 (39.0) |  |  |  |  |