Table 2 Parameters at ventilatory threshold (VT) according to age group
From: Evaluation of ventilatory threshold and its relation to exercise habits among Japanese
Age | Men | Women | ||||||
|---|---|---|---|---|---|---|---|---|
Number of subjects | Mean ± SD | Minimum | Maximum | Number of subjects | Mean ± SD | Minimum | Maximum | |
Oxygen uptake at VT (ml/kg/min) | ||||||||
20–29 | 85 | 15.8 ± 4.7 | 9.3 | 33.9 | 79 | 13.4 ± 3.2 | 9.3 | 23.5 |
30–39 | 149 | 15.0 ± 4.1 | 8.7 | 31.2 | 96 | 13.7 ± 3.6a | 9.2 | 27.3 |
40–49 | 167 | 14.9 ± 3.4 | 8.7 | 29.8 | 155 | 12.3 ± 2.0a,b | 8.3 | 20.2 |
50–59 | 117 | 14.0 ± 2.5a | 10.1 | 24.6 | 138 | 11.9 ± 1.9a,b | 7.8 | 18.9 |
60–69 | 29 | 12.9 ± 1.7a | 10.5 | 19.3 | 56 | 11.8 ± 1.8a | 8.3 | 16.4 |
Total | 547 | 14.8 ± 3.7 | 8.7 | 33.9 | 524 | 12.6 ± 2.6 | 7.8 | 27.3 |
Work rate at VT (W) | ||||||||
20–29 | 85 | 92.9 ± 26.2 | 50.0 | 190.0 | 79 | 60.7 ± 16.5 | 30.0 | 125.0 |
30–39 | 149 | 86.4 ± 22.0 | 35.0 | 175.0 | 96 | 60.3 ± 17.4 | 30.0 | 135.0 |
40–49 | 167 | 80.4 ± 22.3a | 20.0 | 175.0 | 155 | 50.6 ± 11.5a,b | 20.0 | 90.0 |
50–59 | 117 | 73.2 ± 17.6a,b | 35.0 | 120.0 | 138 | 47.3 ± 11.3a,b | 15.0 | 102.0 |
60–69 | 29 | 60.1 ± 12.9a,b,c | 35.0 | 85.0 | 56 | 39.9 ± 8.8a,b,c,d | 20.0 | 60.0 |
Total | 547 | 81.4 ± 23.0 | 20.0 | 190.0 | 524 | 51.9 ± 14.9 | 15.0 | 135.0 |
Heart rate at VT (beat/min) | ||||||||
20–29 | 85 | 115.1 ± 11.7 | 85.0 | 149.0 | 79 | 114.1 ± 11.4 | 86.0 | 137.0 |
30–39 | 149 | 107.8 ± 10.1a | 83.0 | 139.0 | 96 | 110.0 ± 11.7 | 85.0 | 141.0 |
40–49 | 167 | 105.6 ± 11.4a | 71.0 | 145.0 | 155 | 107.6 ± 10.4a | 75.0 | 137.0 |
50–59 | 117 | 99.7 ± 10.6a,b,c | 70.0 | 130.0 | 138 | 103.4 ± 11.2a,b,c | 80.0 | 147.0 |
60–69 | 29 | 98.3 ± 10.2a,b,c | 83.0 | 117.0 | 56 | 98.9 ± 12.5a,b,c | 71.0 | 130.0 |
Total | 547 | 106.0 ± 12.0 | 70.0 | 149.0 | 524 | 107.0 ± 12.1 | 71.0 | 147.0 |