Table 2.
Bivariate associations between outcome measures in this study
| Prolonged FO | CD36 abundance | CS activity | TT (W) | TT (W.kg−1) | |
|---|---|---|---|---|---|
|
Incremental PFO (observed) (g.min−1) |
r = 0.83 (0.57, 0.94) P < 0.001 N = 16 |
rs = 0.68 (0.31, 1.10) P = 0.01 N = 13 |
r = 0.84 (0.58, 0.95) P < 0.001 N = 15 |
r = 0.76 (0.40, 0.91) P = 0.001 N = 15 |
r = 0.62 (0.16, 0.86) P = 0.01 N = 15 |
|
Incremental PFO (modelled) (g.min−1) |
r = 0.84 (0.59, 0.94) P < 0.001 N = 16 |
rs = 0.59 (0.22, 1.11) P = 0.03 N = 13 |
r = 0.83 (0.56, 0.94) P < 0.001 N = 15 |
r = 0.75 (0.38, 0.91) P = 0.001 N = 15 |
r = 0.61 (0.14, 0.86) P = 0.02 N = 15 |
|
Incremental PFO (observed) (g.min−1.kg−1 BM) |
r = 0.84 (0.59, 0.94) P < 0.001 N = 16 |
rs = 0.66 (0.20, 1.11) P = 0.02 N = 13 |
r = 0.89 (0.69, 0.96) P < 0.001 N = 15 |
r = 0.69 (0.27, 0.89) P = 0.005 N = 15 |
r = 0.71 (0.32, 0.90) P = 0.003 N = 15 |
| Prolonged FO |
rs = 0.21 (− 0.47, 1.04) P = 0.48 N = 13 |
r = 0.90 (0.73, 0.96) P < 0.001 N = 16 |
r = 0.58 (0.12, 0.84) P = 0.02 N = 16 |
r = 0.56 (0.08, 0.82) P = 0.03 N = 16 |
|
| CD36 abundance |
rs = 0.24 (− 0.46, 0.86) P = 0.43 N = 13 |
rs = 0.61 (− 0.02, 1.14) P = 0.04 N = 12 |
rs = 0.22 (− 0.37, 1.00) P = 0.49 N = 12 |
||
| CS activity |
r = 0.53 (0.03, 0.82) P = 0.04 N = 15 |
r = 0.62 (0.15, 0.86) P = 0.01 N = 15 |
|||
| TT (W) |
r = 0.86 (0.63, 0.95) P < 0.001 N = 16 |
BM body mass, CS vastus lateralis citrate synthase activity expressed per unit of muscle protein, CD36 vastus lateralis cluster of differentiation 36 abundance expressed per unit of muscle protein, FO whole-body fat oxidation rate during 2 h of fed-state constant-load cycling at the first ventilatory threshold with carbohydrate feeding expressed in g.min−1, PFO peak whole-body fat oxidation rate during incremental cycling expressed in g.min−1, TT average power during a 30-min maximal-effort time-trial preceded by 2 h of constant-load cycling at the first ventilatory threshold