Low intensity, long-term outpatient rehabilitation in COPD: a randomised controlled trial

Respiratory Research

Table 2 Baseline patient characteristics

	Standard group	Training group
Number	44	37
Gender	24 m / 20 f	23 m / 14 f
Age (years)	65 ± 8	63 ± 11
BMI (kg/m²)	25 ± 5	24 ± 5
FEV₁ (%predicted)	45 ± 13	47 ± 13
ITGV (%predicted)	140 ± 35	150 ± 43
6MWT (m)	429 ± 92	415 ± 83
6MWT (%predicted)	67 ± 13	63 ± 13
Work_max (Watt)	75 ± 23	84 ± 30
VO₂max (l/min)	1.05 ± 0.364	1.05 ± 0.398
CPET time (min)	8.9 ± 2.5	9.4 ± 3.4
Peak heart rate during CPET (1/min)	116 ± 18	121 ± 11
SF-12 PCS	33 ± 9	35 ± 10
SF-12 MCS	52 ± 13	53 ± 12
SGRQ symptoms	55 ± 20	44 ± 23
SGRQ activity	60 ± 20	57 ± 16
SGRQ impact	36 ± 17	31 ± 17
SGRQ total	47 ± 17	41 ± 15

6MWT: 6 minute walk test; BMI: body mass index; CPET: cardiopulmonary exercise testing; FEV₁: forced expiratory volume in one second; ITGV: intrathoracic gas volume; SF-12 MCS: Short form-12 mental component summary scale score; SF-12 PCS: Short form-12 physical component summary scale score; SGRQ: St. George’s Respiratory Questionaire; VO₂max: maximum oxygen uptake during cycle ergometry; Work_max: maximum work rate during cycle ergometry.

ISSN: 1465-993X