Table 1.
Demographic and baseline details of subjects, including symptoms and functional characteristics
| Patients’ characteristics | Non-frequent exacerbation (n=43) | Frequent exacerbation (n=29) | p-value |
|---|---|---|---|
| Gender, male (female) | 42 (1) | 23 (6) | 0.015 |
| Age (years)a | 73.39 (60.0–85.0) | 70.96 (59.0–82) | 0.264 |
| Post-bronchodilator | 65.38 (43.0–88.0) | 51.69 (30.0–78.0) | 0.007 |
| FEV1% predicteda | |||
| CAT scorea | 11.0 (2–32) | 20.5 (3–37) | 0.003 |
| mMRCa | 1.0 (1–2) | 2.0 (1–3) | 0.002 |
Notes:
a
Median and IQR. Data are presented as median, IQR and proportion (%). The statistical significance was determined by p-value <0.05.
Abbreviations: CAT, COPD assessment test; FEV1, forced expiratory volume in 1 second; IQR, interquartile range; mMRC, modified Medical Research Council Dyspnea Scale.