Table 3.
Multivariable analyses examining relationships between MDHAQ components and either pulmonary physiology or dyspnea. Each model includes one of the dyspnea measures (either D12 or UCSD) and FVC%
| Outcome | ||||
|---|---|---|---|---|
| Model | R-Square of Model |
Point Estimate |
Standard Error |
|
| Predictors | P value | |||
| FN Component | ||||
| Model #1 | 0.15 | |||
| D12 | 0.03 | 0.03 | 0.3 | |
| FVC% | −0.02 | 0.01 | 0.1 | |
| Model #2 | 0.23 | |||
| UCSD | 0.02 | 0.01 | 0.04 | |
| FVC% | −0.01 | 0.02 | 0.7 | |
|
| ||||
| PS Component | ||||
| Model #1 | 0.21 | |||
| D12 | 0.08 | 0.03 | 0.01 | |
| FVC% | 0.02 | 0.01 | 0.3 | |
| Model #2 | 0.24 | |||
| UCSD | 0.04 | 0.01 | 0.005 | |
| FVC% | 0.04 | 0.02 | 0.04 | |
|
| ||||
| Global Component | ||||
| Model #1 | 0.14 | |||
| D12 | 0.1 | 0.04 | 0.03 | |
| FVC% | 0.02 | 0.02 | 0.5 | |
| Model #2 | 0.08 | |||
| UCSD | 0.04 | 0.02 | 0.1 | |
| FVC% | 0.03 | 0.03 | 0.3 | |
|
| ||||
| Fatigue Component | ||||
| Model #1 | 0.11 | |||
| D12 | 0.1 | 0.05 | 0.06 | |
| FVC% | 0.02 | 0.03 | 0.5 | |
| Model #2 | 0.16 | |||
| UCSD | 0.06 | 0.03 | 0.02 | |
| FVC% | 0.05 | 0.03 | 0.1 | |
FN = physical function component; PS = psychological well-being component; Global = patient-assessed global component; RAPID = scale composed of FN, Pain, and Global components; D12 = Dyspnea 12; UCSD = University of San Diego Shortness of Breath Questionairre