Chronic obstructive pulmonary disease does not impair responses to resistance training

Table 5 Simple linear regression analyses on the relationship between training response and lung function in COPD participants

Analysis	n	Slope (95% CI)	Intercept (95% CI)	r	P
Change in muscle strength vs FEV_1predicted
% change	18	− 0.3 (− 0.6, 0.0)	34.8 (16.8, 52.9)	− 0.504	0.033
Numeric change	18	− 0.001 (− 0.003, 0.001)	0.121 (0.017, 0.225)	− 0.303	0.222
Change in muscle mass vs FEV_1predicted
% change	19	− 0.3 (− 0.4, − 0.1)	21.4 (12.1, 30.7)	− 0.624	0.004
Numeric change	19	− 0.002 (− 0.003, 0.000)	0.127 (0.068, 0.186)	− 0.603	0.006
Change in muscle quality vs FEV_1predicted
% change	18	− 0.1 (− 0.4, 0.2)	12.6 (− 4.2, 29.4)	− 0.141	0.577
Numeric change	18	0.000 (− 0.002, 0.002)	0.063 (− 0.060, 0.186)	− 0.038	0.881
Change in one-legged endurance performance vs FEV_1predicted
% change	15	0.3 (− 0.4, 1.0)	8.5 (− 32.8, 49.7)	0.249	0.371
Numeric change	15	0.001 (− 0.001, 0.002)	0.006 (− 0.066, 0.079)	0.282	0.308
Change in whole-body endurance performance vs FEV_1predicted
% change	17	− 0.2 (− 0.6, 0.3)	17.7 (− 7.8, 43.1)	− 0.211	0.416
Numeric change	17	0.000 (− 0.001, 0.001)	0.023 (− 0.042, 0.089)	0.012	0.963

FEV_1predicted, predicted forced expiratory volume in first second; r, Pearson’s r; P, P-value

ISSN: 1479-5876