Table 2 Responses in incremental treadmill test (ITMT), two-minute step test (2MST) and six-minute walk test (6MWT) at the peak of the tests.
Variables | ITMT (n = 44) | 6MWT (n = 44) | 2MST (n = 44) |
|---|---|---|---|
V̇O2, mL·min−1 | 1818.7 (1691.0–1946.5) | 1210.2 (1120.3–1300.1)a | 1379.4 (1289.9–1468.9)b,c |
V̇O2, mL·kg−1·min−1 | 16.1 (15.2–17.0) | 10.7 (10.0–11.4) a | 12.3 (11.6–13.0)b,c |
V̇O2, %pred | 80.6 (77.5–83.7) | 54.3 (51.0–57.7) a | 62.6 (58.4–66.7)b,c |
V̇CO2, mL·min−1 | 2345.6 (2185.8–2505.5) | 1169.3 (1076.9–1261.7)a | 1390.6 (1278.0–1503.3)b |
RER | 1.31 (1.26–1.35) | 0.96 (0.93–0.98) a | 1.0 (0.96–1.04)b |
V̇E, L·min−1 | 85.3 (80.9–89.7) | 40.4 (37.2–43.6)a | 46.5 (42.9–50.0)b |
BF, br·min−1 | 44.9 (42.0–47.9) | 31.5 (29.0–34.1)a | 30.5 (28.3–32.7)b |
HR, bpm | 169.7 (164.5–175.0) | 126.0 (122.4–129.5)a | 139.2 (133.2–145.2)b,c |
HR, %pred | 94.3 (92.0–96.6) | 68.5 (66.3–70.6)a | 75.2 (71.9–78.5)b,c |
SBP, mmHg | 195.1 (187.7–202.5) | 163.9 (154.8–173.1)a | 175.9 (164.7–187.2)b |
DPB, mmHg | 101.8 (98.4–105.3) | 96.0 (92.4–99.6)a | 100.9 (96.1–105.6) |
Dyspnea (0–10 score) | 7 (1; 10) | 2 (0; 10)a | 3 (0; 7)b |
Leg fatigue (0–10 score) | 3.5 (0; 10) | 0.8 (0; 7)a | 1.5 (0; 7)b |