Table 3.

Pearson Correlation with Physical Frailty

Characteristics (n=44)	Physical Frailty	p value
mMRC dyspnea score	0.39	<0.01
6MST, strokes	−0.43	<0.01
SPPB, total score (0–12)	−0.43	<0.01
TUG, seconds	0.02	0.89
Anxiety symptoms, score	0.45	<0.01
Depressive symptoms, score	0.40	<0.01
CCQ, score	0.50	<0.01
FAS, score	0.52	<0.01
Daily physical activity
Steps, number	−0.38	0.03
Sedentary, minutes	−0.16	0.38
Light, minutes	−0.37	0.03
Moderate, minutes	−0.08	0.67

Abbreviations: mMRC, modified Medical Research Council dyspnea scale; 6MST, 6-minute stepper test; SPPB, short physical performance battery test; TUG, timed-up and go test; CCQ, clinical COPD questionnaire; FAS, fatigue assessment scale.