Research Article

The Relationship between Experienced Respiratory Symptoms and Health-Related Quality of Life in the Elderly with Chronic Obstructive Pulmonary Disease

Table 2

HRQoL and experienced respiratory symptoms in elderly patients with COPD.

SymptomsTotal HRQoLPCSMCS
Mean ± SD valueaMean ± SD valueaMean ± SD valuea

CoughNo38.7 ± 18.70.530.3 ± 16.10.349.3 ± 25.30.9
Yes41.5 ± 18.234.3 ± 18.048.9 ± 23.5

SputumNo43.3 ± 21.70.534.07 ± 21.70.953.9 ± 26.40.25
Yes41.0 ± 17.633.9 ± 17.348.3 ± 23.2

Shortness of breathNo51.9 ± 28.70.1547.8 ± 32.0.0459.5 ± 29.50.3
Yes41.0 ± 17.733.5 ± 17.248.7 ± 23.4

Attacks of wheezingNo47.6 ± 22.10.0240.6 ± 23.70.0656.0 ± 25.50.04
Yes40.0 ± 17.132.6 ± 16.347.7 ± 23.0

Attacks of chest trouble during last yearNo44.7 ± 17.00.0337.0 ± 17.60.0453.7 ± 22.00.03
Yes39.3 ± 18.532.1 ± 17.846.3 ± 24

Having a good day with few respiratory symptomsNo39.2 ± 17.4<0.00132.5 ± 17.00.00246.1 ± 22.6<0.001
Yes56.4 ± 17.044.0 ± 20.770.0 ± 20.2

Wheezing in the morningNo41.7 ± 18.60.434.6 ± 18.30.249.5 ± 24.00.6
Yes39.4 ± 16.431.1 ± 15.747.3 ± 22.7

COPD: chronic obstructive pulmonary disease; HRQoL: health-related quality of life; MCS: mental component summary; PCS: physical component summary. aIndependent samples t-test.