Table 3 Estimated model parameters for quadratic-delay model
Model parameters | Healthy | Pulmonary dis. | |
|---|---|---|---|
Dalhousie legs vs %Wmax | a | 1 (1.0, 1.05) | 1 (1, 1.05) |
b1 | 0.02 (0.02, 0.02) | 0.05 (0.03, 0.08) | |
b2 | 0 (0, 0) | 0 (0, 0) | |
d | 40.7 (27.7, 81.1) | 26.7 (5.7, 41.5) | |
Borg leg fatigue vs %Wmax | a | 0.18 (0.02, 0.36) | 0.19 (0, 0.25) |
b1 | 0.02 (0.02, 0.03) | 0.04 (0, 0.06) | |
b2 | 0 (0, 0) | 0 (0, 0) | |
d | 63.9 (41.6, 105) | 24 (0, 60.4) | |
Dalhousie breathing effort vs %max \( {\overset{.}{V}}_E \) | a | 1 (1, 1.15) | 1 (1, 1.01) |
b1 | 0.06 (0.04, 0.11) | 0.15 (0.08, 0.22) | |
b2 | 0 (0, 0) | 0 (0, 0) | |
d | 17.7 (14.9, 24.5) | 23.7 (15.9, 29.8) | |
Borg dyspnea vs %max \( {\overset{.}{V}}_E \) | a | 0.03 (0, 0.21) | 0.02 (0, 1.68) |
b1 | 0.07 (0.04, 0.11) | 0.11 (0, 0.22) | |
b2 | 0 (0, 0) | 0 (0, 0.01) | |
d | 20.2 (16.4, 30.0) | 24.7 (15.9, 41.9) |