Table 2.
Variable | Pre-marathon | Post-marathon | p value |
---|---|---|---|
Rest HR (bpm) | 69 (65; 76) | 70.5 (61; 80) | NS |
Peak HR (bpm) | 174 (167; 181) | 175 (169; 186) | NS |
Peak vel.(km/h) | 18 (16; 20) | 18.5 (17; 19) | NS |
Peak VO2 (mL.kg-1.min-1) | 50.75 (46; 52) | 46.35 (43; 49) | *< 0.05 |
Peak VE (l/min) | 134.2 (99; 148) | 119.9 (111; 147) | NS |
R | 1.15 (1.10 1.19) | 1.14 (1.11; 1.17) | NS |
O2 pulse (ml.btm) | 19.4 (17; 21) | 18.1 (15; 19) | *< 0.05 |
Peak PetO2 | 101.5 (94.5; 105.7) | 101.5 (96.5; 104.2) | NS |
VE/VCO2 slope | 33.7 (30; 41) | 31.1 (27; 39) | *< 0.05 |
Data expressed as median and interquartile range (25th percentile; 75th percentile);
p < 0.05 = significant; HR: heart rate; vel.: velocity; VO2. oxygen consumption; VE: ventilation; R: respiratory quotient; O2 pulse: oxygen pulse; PetO2: end-tidal O2 tension; VE/VCO2 slope; ratio between the inclination of the ventilation curve and the carbon dioxide production curve.