Table 3.
Factors affecting the HRQoL in elderly patients with COPD with emphasis on experienced respiratory symptoms.
| Factors | Total HRQoL | PCS | MCS | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ba (SE) | 95% CI | p value | b (SE) | 95% CI | p value | b (SE) | 95% CI | p value | |
| Gender (female) | −4.6 (2.63) | −9.86, 0.46 | 0.07 | −7.41 (2.57) | −12.46, −2.37 | 0.004 | −3.74 (3.47) | −10.55, 3.06 | 0.2 |
| Number of hospitalizations within last year | −3.22 (1.08) | −5.35, −1.09 | 0.003 | −4.04 (1.06) | −6.12, −1.95 | <0.001 | −3.06 (1.43) | −5.87, −0.25 | 0.03 |
| Duration of the disease | −0.27 (0.12) | −0.52, −0.03 | 0.02 | −0.24 (0.12) | −0.46, −0.02 | 0.04 | −0.32 (0.16) | −0.60, −0.04 | 0.04 |
| Respiratory symptoms | −0.22 (0.06) | −0.35, −0.08 | 0.001 | −0.14 (0.06) | −0.27, −0.01 | 0.03 | −0.33 (0.08) | −0.50, −0.15 | <0.001 |
CI: confidence interval; COPD: chronic obstructive pulmonary disease; HRQoL: health-related quality of life; MCS: mental component summary; PCS: physical component summary; SE: standard error. aCoefficient was obtained according to the multivariable linear regression.