The Indices of Instantaneous Pulse Rate Variability Are Indicators for Daily Life Quality Assessment in Patients with COPD

Table 1

Basic information of subjects.

Variables	COPD (n = 14)
	Phase A	Phase B
Age (years)	75 ± 9.5	75 ± 9.5
Males, n (%)	12 (86)	12 (86)
Height (cm)	161.00 ± 7.98	160.46 ± 7.60
Weight (kg)	62.8 ± 14.17	62.4 ± 14.98
BMI	24.21 ± 4.85	24.09 ± 4.97
Body fat (%)	24.71 ± 6.18	24.89 ± 6.29
mMRC	1.86 ± 0.83	1.5 ± 0.82
CAT	13.50 ± 5.22	10.36 ± 6.80
BR (breaths/min)	19.01 ± 5.70	19.24 ± 4.82
PR (beats/min)	86.50 ± 15.74	82.45 ± 17.31
VT (L)	0.68 ± 0.36	0.66 ± 0.67
VC (L)	2.16 ± 0.84	2.02 ± 0.36

BMI: body mass index; BR: breathing rate; PR: pulse rate; VT: tidal volume; VC: vital capacity.