|  | Test | Retest | Mean difference | 95% CL |
---|---|---|---|---|---|
Heart rates | Â | Â | Â | Â | |
Base measurement | P | 76.9 (10.9) | 79.9 (15.5) | -3.0 | -13.4 - 7.4 |
 | NFC | 151.6 (10.1) | 144.5 (16.9) | 7.1 | -0.4 - 14.5 |
 | FC | 186.9 (7.2) | 184.1 (9.9) | 2.8 | -0.3 - 5.9 |
Attention-demanding task | P | 80.3 (17.2) | 78.8 (10.9) | 1.5 | -8.5 - 11.5 |
 | NFC | 145.6 (3.8) | 142.8 (14.9) | 2.8 | -1.5 - 7.1 |
 | FC | 186.4 (9.2) | 184.6 (8.4) | 1.7 | -1.0 - 4.4 |
Restricted vision | P | 78.5 (11.4) | 79.6 (9.9) | -1.1 | -10.3 - 7.8 |
 | NFC | 148.2 (13.5) | 141.3 (18.3) | 6.9 | -0.3 - 14.2 |
 | FC | 185.1 (7.6) | 183.6 (8.1) | 1.5 | -0.2 - 3.1 |
RPE scores | Â | Â | Â | Â | |
Base measurement | P | 8.3 (2.1) | 8.0 (2.3) | 0.3 | -1.0 - 1.6 |
 | NFC | 13.2 (1.7) | 12.6 (1.6) | 0.6 | -0.3 - 1.5 |
 | FC | 16.7 (1.6) | 16.5 (1.4) | 0.2 | -0.2 - 0.6 |
Attention-demanding task | P | 8.0 (2.4) | 8.1 (2.3) | -0.1 | -1.1 - 0.9 |
 | NFC | 11.8 (1.5) | 12.1 (1.9) | -0.2 | -1.4 - 1.0 |
 | FC | 15.2 (1.5) | 15.8 (1.7) | -0.7 | -1.6 - 0.2 |
Restricted vision | P | 7.9 (2.1) | 8.3 (2.4) | -0.4 | -1.1 - 0.3 |
 | NFC | 12.5 (1.8) | 12.6 (1.9) | -0.1 | -1.0 - 0.9 |
 | FC | 15.7 (1.7) | 16.2 (1.3) | -0.5 | -1.3 - 0.3 |
Lactate concentrations | Â | Â | Â | Â | |
Base measurement | P | 2.1 (1.3) | 1.7 (0.6) | 0.2 | -0.1 - 0.4 |
 | NFC | 7.3 (1.8) | 6.6 (2.5) | 0.4 | -0.4 - 1.1 |
 | FC | 10.3 (2.7) | 9.8 (2.2) | 0.2 | -0.0 - 0.6 |
Attention-demanding task | P | 1.9 (0.9) | 1.9 (1.0) | -0.0 | -0.3 - 0.3 |
 | NFC | 6.4 (2.0) | 6.1 (1.5) | 0.2 | -0.4 - 0.7 |
 | FC | 9.5 (3.8) | 8.4 (2.1) | 0.6 | -3.4 - 4.5 |
Restricted vision | P | 1.8 (0.5) | 1.5 (0.4) | 0.1 | -0.0 - 0.3 |
 | NFC | 6.1 (2.1) | 5.8 (1.3) | 0.2 | -0.3 - 0.7 |
 | FC | 9.4 (2.8) | 8.8 (1.8) | 0.3 | -0.1- 0.7 |