The Physiologic Effects of an Acute Bout of Supramaximal High-Intensity Interval Training Compared with a Continuous Exercise Bout in Patients with COPD

Table 1

Participant demographics, pulmonary function, and responses to the CPET and SRAT.

Gender (M/F, 𝑛)	6/8
Age (yr)	68.6 ± 11.9	(49–78)
Weight (kg)	80.7 ± 15.0	(57–96)
Body mass index (kg·m^−2)	29.6 ± 3.6	(23–33)
FEV1 (L)	1.26 ± 0.31	(0.80–1.65)
FEV1 (% predicted)	52.6 ± 12.7	(46–75)
FEV1/ FVC (%)	59.2 ± 11.8	(38–54)
TLC (L)	6.44 ± 1.48	(4.33–7.99)
TLC (% predicted)	118 ± 17	(98–142)
RV (L)	1.72 ± 0.91	(1.02–3.24)
RV (% predicted)	142 ± 38	(105–177)
DLCO (% predicted)	67.8 ± 14.1	(51–87)
CPET 𝑉O2peak (L·min^−1)	1.14 ± 0.41	(0.66–1.56)
CPET 𝑉O2peak (mL·kg^−1·min^−1)	14.1 ± 3.18	(8.2–18.6)
CPET WRpeak (W)	78.8 ± 31.2	(37–116)
SRAT 𝑉O2peak (L·min^−1)	1.11 ± 0.44	(0.57–1.54)
SRAT 𝑉O2peak (mL·kg^−1·min^−1)	13.2 ± 0.56	(7.6–18.3)
SRAT WRpeak (W)	161.2 ± 42.7	(100–195)

Mean ± SD (range).