Table 2.
Test-retest reliability of the submaximal performance parameters from the RATT, cycle and treadmill
| Overall mean (tests 1 and 2) | MD (95 % LoA) | CoV (%) | ICC (95 % CI) | SEM | %SEM | |
|---|---|---|---|---|---|---|
| V′O2@VAT (L/min) (n = 9) | ||||||
| RATT | 1.129 | −0.047 (−0.225, 0.131) | 5.91 | 0.92 (0.60–0.98) | 0.064 | 5.67 |
| Cycle ergometer | 1.411 | 0.082 (−0.459, 0.624) | 14.10 | 0.81 (0.39–0.95) | 0.195 | 13.82 |
| Treadmill | 1.561 | −0.015 (−0.290, 0.259) | 6.78 | 0.98 (0.90–1.0) | 0.099 | 6.34 |
| V′O2@RCP (L/min) | ||||||
| RATT (n = 6) | 1.649 | 0.094 (−0.208, 0.395) | 6.52 | 0.92 (0.52–0.99) | 0.109 | 6.61 |
| Cycle ergometer (n = 8) | 2.344 | −0.014 (−0.706, 0.678) | 8.66 | 0.87 (0.47–0.97) | 0.245 | 10.45 |
| Treadmill (n = 7) | 2.609 | −0.069 (−0.640, 0.502) | 7.17 | 0.95 (0.74–0.99) | 0.206 | 7.90 |
| V′E/V′O2@VAT (n = 9) | ||||||
| RATT | 23.7 | −0.01 (−3.5, 3.5) | 5.02 | 0.70 (0.10–0.93) | 1.26 | 5.31 |
| Cycle ergometer | 23.4 | 1.46 (−4.3, 7.2) | 9.78 | 0.62 (0.05–0.90) | 2.07 | 8.87 |
| Treadmill | 21.7 | 0.20 (−2.5, 2.9) | 4.33 | 0.74 (0.19–0.94) | 0.97 | 4.47 |
| VE/V′CO2@RCP | ||||||
| RATT (n = 6) | 28.8 | 0.70 (−1.0, 2.4) | 2.48 | 0.77 (0.03–0.97) | 0.62 | 2.16 |
| Cycle ergometer (n = 8) | 27.7 | 1.24 (−1.2, 3.6) | 4.80 | 0.90 (0.33–0.98) | 0.86 | 3.10 |
| Treadmill (n = 7) | 26.4 | −0.97 (−4.6, 2.6) | 5.23 | 0.71 (0.09–0.94) | 1.30 | 4.92 |
| V′E-vs-V′CO2 slope to RCP | ||||||
| RATT (n = 6) | 28.0 | 0.73 (−4.0, 5.5) | 6.00 | 0.53 (−0.38–0.92) | 1.71 | 6.11 |
| Cycle ergometer (n = 8) | 26.4 | 2.19 (−2.0, 6.4) | 8.26 | 0.75 (0.04–0.95) | 1.52 | 5.77 |
| Treadmill (n = 7) | 25.4 | −1.14 (−4.3, 2.1) | 5.13 | 0.74 (0.12–0.95) | 1.15 | 4.54 |
MD mean difference, LoA limits of agreement, CoV coefficient of variation, ICC intraclass correlation coefficient, CI confidence interval, SEM standard error of the measurement