Table A3.
Self-Reported Symptoms* | Diffusion Capacity Abnormality (n = 42) |
No Diffusion Capacity Abnormality (n = 79) |
P | ||
---|---|---|---|---|---|
No. | % | No. | % | ||
Are you troubled by shortness of breath when hurrying on ground level or walking up a slight hill? | 19 | 45.2 | 14 | 17.7 | < .01 |
Do you notice shortness of breath walking with other people of your own age on level ground? | 12 | 28.6 | 11 | 13.9 | .05 |
Do you have to stop for breath when walking at your own pace on level ground? | 5 | 11.9 | 5 | 6.3 | .29 |
Are you short of breath when washing or dressing? | 4 | 9.5 | 5 | 6.3 | .52 |
Are you short of breath at rest? | 2 | 4.8 | 3 | 3.8 | .80 |
Symptomatic† | 15 | 35.7 | 11 | 13.9 | .01 |
As assessed from the Medical Research Council (MRC) Dyspnea Questionnaire.
Defined as having responded “yes” to any two of the MRC Dyspnea Questionnaire items.