Table 2.
Parameters of exercise tests in patients with COPD
| Parameters | All patients (n = 2002) | Males (n = 1134) (57%) | Females (n = 868) (43%) | |||
|---|---|---|---|---|---|---|
|
Maximal incremental cycle test |
|
|
|
|
|
|
| Work Rate peak, w |
69 |
(30) |
77 |
(33) |
60 |
(23)** |
| Work Rate peak, % predicted |
56 |
(27) |
48 |
(21) |
67 |
(31)** |
| VE, % Max Voluntary Ventilation |
87 |
(24) |
86 |
(23) |
89 |
(25) |
| HR max, % age-predicted |
81 |
(12) |
80 |
(13) |
81 |
(12) |
| Systolic BP post, mm Hg |
176 |
(33) |
176 |
(34) |
176 |
(32) |
| Diastolic BP post, mm Hg |
84 |
(15) |
84 |
(15) |
84 |
(14) |
| Dyspnea (Borg) post, points |
7.2 |
(2.0) |
7.1 |
(2.0) |
7.2 |
(2.0) |
| Leg Fatigue (Borg) post, points |
5.9 |
(2.6) |
5.8 |
(2.5) |
6.0 |
(2.6) |
|
Cycle endurance test (CET) |
|
|
|
|
|
|
| Work Rate mean, w |
52 |
(23) |
58 |
(25) |
45 |
(17)** |
| Endurance cycling time, s |
271 |
(166) |
286 |
(174) |
250 |
(153)** |
| Dyspnea (Borg) post, points |
5.3 |
(2.3) |
5.4 |
(2.3) |
5.1 |
(2.3)* |
| Leg Fatigue (Borg) post, points |
5.7 |
(2.2) |
5.8 |
(2.2) |
5.6 |
(2.1) |
|
Six-minute walk test (6MWT) |
|
|
|
|
|
|
| 6MWD, m |
438 |
(113) |
443 |
(120) |
431 |
(104)* |
| 6MWD, % predicted |
69.0 |
(16.5) |
66.9 |
(17.1) |
71.7 |
(15.3)** |
| Dyspnea (Borg) post, points |
5.2 |
(4.4) |
5.2 |
(4.2) |
5.1 |
(4.7) |
| Leg Fatigue (Borg) post, points | 4.4 | (4.6) | 4.4 | (4.2) | 4.4 | (4.8) |
Average values are shown for exercise tests and clinical parameters. The values are reported for the entire cohort and then for men and women. Asterisks denotes significant differences (* p < 0.05; ** p < 0.001).