|  | Total n = 534 |  | Convex n = 129 |  | Non-convex n = 405 | p value | |||
---|---|---|---|---|---|---|---|---|---|---|
Mean ± S.D | 95% CI |  | Mean ± S.D | 95% CI |  | Mean ± S.D | 95% CI | |||
RPE– leg |  | 17.2 ± 2.3 | [17.0-17.4] |  | 16.7 ± 2.4 | [16.3–17.1] |  | 17.3 ± 2.3 | [17.1–17.5] | 0.011 |
RPE - chest |  | 15.9 ± 2.6 | [15.7–16.1] |  | 16.0 ± 2.5 | [15.5–16.4] |  | 15.9 ± 2.7 | [15.6–16.2] | 0.755 |
Peak V̇O2 | [ml/min] | 1057 ± 536 | [1011–1102] |  | 1122 ± 764 | [990–1254] |  | 1036 ± 439 | [993–1079] | 0.112 |
Peak V̇O2/W | [ml/kg/min] | 16.8 ± 7.2 | [16.2–17.5] |  |  |  |  |  |  |  |
%Peak V̇O2 | [%] | 71.5 ± 23.9 | [69.5–73.6] |  | 73.3 ± 32.8 | [67.6–78.9] |  | 71.0 ± 20.2 | [69.0–73.0] | 0.352 |
Peak HR | [bpm] | 125.1 ± 25.5 | [123.0-127.3] |  | 125.9 ± 23.7 | [121.8–130.0] |  | 124.9 ± 26.1 | [122.3-127.4] | 0.698 |
Peak RER |  | 1.15 ± 0.1 | [1.14–1.16] |  | 1.13 ± 0.09 | [1.11–1.14] |  | 1.16 ± 0.1 | [1.15–1.17] | 0.001 |
ΔV̇O2/ΔWR |  | 8.8 ± 1.9 | [8.6-9.0] |  | 8.7 ± 1.9 | [8.4-9.0] |  | 8.8 ± 1.9 | [8.6-9.0] | 0.540 |
V̇E/V̇CO2 slope |  | 35.5 ± 9.5 | [34.7–36.3] |  | 35.1 ± 8.8 | [33.6–36.7] |  | 35.2 ± 7.5 | [34.5–36.0] | 0.923 |
Y-intercept |  | 4.3 ± 3.3 | [4.0-4.6] |  | 4.6 ± 3.0 | [4.1–5.1] |  | 4.4 ± 2.9 | [4.1–4.6] | 0.423 |
minimum V̇E/V̇CO2 |  | 38.6 ± 9.1 | [36.5–40.6] |  | 42.0 ± 10.6 | [37.4–46.7] |  | 37.5 ± 8.3 | [35.3–39.7] | 0.056 |
rest RR |  | 17.0 ± 4.4 | [16.6–17.4] |  | 17.6 ± 3.5 | [17-18.2] |  | 16.8 ± 4.6 | [16.3–17.2] | 0.070 |
peak RR |  | 34.5 ± 8.7 | [33.8–35.3] |  | 33.3 ± 7.4 | [32.1–34.6] |  | 34.9 ± 9.1 | [34.0-35.8] | 0.074 |
rest VD/VT |  | 0.42 ± 0.06 | [0.41–0.42] |  | 0.43 ± 0.06 | [0.42–0.44] |  | 0.41 ± 0.06 | [0.41–0.42] | 0.061 |
peak VD/VT |  | 0.34 ± 0.05 | [0.34–0.35] |  | 0.34 ± 0.05 | [0.33–0.35] |  | 0.34 ± 0.05 | [0.34–0.35] | 0.793 |
rest V̇O2/HR |  | 2.9 ± 0.8 | [2.9-3.0] |  | 3.0 ± 0.7 | [2.9–3.1] |  | 2.9 ± 0.8 | [2.8-3.0] | 0.391 |
Peak V̇O2/HR |  | 8.1 ± 2.8 | [7.8–8.3] |  | 8.3 ± 2.7 | [7.8–8.8] |  | 8.0 ± 2.8 | [7.7–8.3] | 0.348 |