Table 4.
Comorbidities associated with the score of each CAT item on stepwise multivariate regression analysis
| CAT item | Comorbidity | p value | Cumulative R 2 |
|---|---|---|---|
| Cough |
|
|
|
| |
None |
|
|
| Phlegm |
|
|
|
| |
None |
|
|
| Chest tightness |
|
|
|
| |
GERD (FSSG ≥ 8) |
<0.001 |
0.0901 |
| |
Depression (HAD-D ≥ 11) |
0.0033 |
0.123 |
| Breathlessness |
|
|
|
| |
GERD (FSSG ≥ 8) |
<0.001 |
0.0705 |
| |
Osteoporosis |
0.0355 |
0.0876 |
| Activity limitation |
|
|
|
| |
GERD (FSSG ≥ 8) |
<0.001 |
0.0926 |
| |
Depression (HAD-D ≥ 11) |
<0.001 |
0.1452 |
| |
Arrhythmia |
0.0026 |
0.1773 |
| |
Osteoporosis |
0.0222 |
0.1954 |
| Confidence to leave home |
|
|
|
| |
GERD (FSSG ≥ 8) |
<0.001 |
0.0631 |
| |
Depression (HAD-D ≥ 11) |
<0.001 |
0.107 |
| |
Osteoporosis |
<0.001 |
0.1337 |
| |
Hypertension |
0.0109 |
0.1571 |
| |
Arrhythmia |
0.0445 |
0.1714 |
| Sleep |
|
|
|
| |
Depression (HAD-D ≥ 11) |
<0.001 |
0.0807 |
| |
GERD (FSSG ≥ 8) |
0.0033 |
0.1134 |
| |
Anxiety (HAD-A ≥ 11) |
0.01 |
0.1378 |
| |
Arrhythmia |
0.0404 |
0.153 |
| Energy |
|
|
|
| |
GERD (FSSG ≥ 8) |
<0.001 |
0.1191 |
| |
Depression (HAD-D ≥ 11) |
<0.001 |
0.1972 |
| |
Arrhythmia |
<0.001 |
0.2487 |
| Anxiety (HAD-A ≥ 11) | 0.0333 | 0.263 |
Abbreviations are the same as those in Table 3.