Table 4.

Assessment of Current Respiratory Symptoms

Variables	n (%)
Current respiratory symptoms
Modified MRC dyspnea scale
0	35 (22.9)
1	50 (32.7)
2	33 (21.6)
3	19 (12.4)
4	16 (10.5)
CAT score
< 10	117 (76.5)
≥ 10	36 (23.5)

Note: Data are presented as n (%).

Abbreviations: MRC, Medical Research Council; CAT, COPD Assessment Test; COPD, chronic obstructive pulmonary disease.