Table 4.
Comparison of the three tests (in the comparison group)
| Measured VO2max (L min−1) | Estimated VO2max (L min−1) | Difference measured vs. estimated VO2max (L min−1) | |||||
|---|---|---|---|---|---|---|---|
| EB-testnew | EB-test2012 | Åstrand | EB-testnew | EB-test2012 | Åstrand | ||
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (95 % CI) | Mean (95 % CI) | Mean (95 % CI) | |
| All (n = 71) | 3.17 (0.67) | 3.14 (0.71) | 3.30 (0.66) | 3.10 (0.79) | −0.03 (−0.10 to 0.04) | 0.12 (0.04 to 0.21) | −0.07 (−0.21 to 0.06) |
| Men (n = 27) | 3.70 (0.55) | 3.79 (0.53) | 3.89 (0.33) | 3.29 (0.75) | 0.09 (−0.03 to 0.21) | 0.20 (0.05 to 0.34) | −0.41 (−0.61 to −0.20) |
| Women (n = 44) | 2.85 (0.53) | 2.74 (0.47) | 2.93 (0.54) | 2.98 (0.80) | −0.11 (−0.19 to −0.03) | 0.08 (−0.02 to 0.18) | 0.13 (−0.02 to 0.28) |
| Age | |||||||
| <35 (n = 41) | 3.41 (0.50) | 3.37 (0.56) | 3.54 (0.43) | 3.37 (0.66) | −0.04 (−0.13 to 0.06) | 0.14 (0.03 to 0.24) | −0.04 (−0.23 to 0.14) |
| 35–49 (n = 17) | 2.97 (0.67) | 2.91 (0.72) | 3.06 (0.56) | 2.81 (0.80) | −0.06 (−0.21 to 0.09) | 0.10 (−0.04 to 0.24) | −0.15 (−0.48 to 0.17) |
| 50–64 (n = 12) | 2.75 (0.86) | 2.77 (0.89) | 2.86 (1.01) | 2.69 (0.85) | 0.02 (−0.19 to 0.23) | 0.11 (−0.23 to 0.45) | −0.06 (−0.36 to 0.24) |
| Absolute VO2max level (according to L min−1) | |||||||
| Q1 (n = 10) | 2.19 (0.43) | 2.36 (0.55) | 2.52 (0.74) | 2.24 (0.55) | 0.16 (−0.05 to 0.37) | 0.32 (0.00 to 0.64) | 0.05 (−0.33 to 0.42) |
| Q2 (n = 15) | 3.00 (0.47) | 3.08 (0.68) | 3.37 (0.62) | 2.67 (0.62) | 0.08 (−0.08 to 0.24) | 0.37 (0.21 to 0.53) | −0.33 (−0.62 to −0.05) |
| Q3 (n = 23) | 3.41 (0.67) | 3.38 (0.80) | 3.49 (0.69) | 3.22 (0.67) | −0.03 (−0.14 to 0.09) | 0.08 (−0.07 to 0.23) | −0.18 (−0.39 to 0.02) |
| Q4 (n = 23) | 3.47 (0.41) | 3.27 (0.44) | 3.40 (0.35) | 3.63 (0.62) | −0.20 (−0.31 to −0.10) | −0.08 (−0.16 to 0.01) | 0.15 (−0.12 to 0.43) |
| Relative VO2max level (according to mL kg−1 min−1) | |||||||
| Q1 (n = 11) | 2.84 (0.79) | 2.93 (0.72) | 3.25 (0.77) | 2.61 (0.55) | 0.09 (−0.07 to 0.25) | 0.40 (0.25 to 0.56) | −0.24 (−0.73 to 0.25) |
| Q2 (n = 12) | 2.94 (0.82) | 2.98 (0.89) | 3.08 (0.96) | 2.84 (0.87) | 0.03 (−0.14 to 0.21) | 0.14 (−0.10 to 0.38) | −0.10 (−0.37 to 0.16) |
| Q3 (n = 25) | 3.21 (0.62) | 3.20 (0.79) | 3.34 (0.65) | 3.01 (0.75) | −0.01 (−0.16 to 0.14) | 0.13 (−0.02 to 0.28) | −0.19 (−0.42 to 0.03) |
| Q4 (n = 23) | 3.41 (0.50) | 3.25 (0.50) | 3.38 (0.40) | 3.56 (0.67) | −0.15 (−0.25 to −0.06) | −0.03 (−0.16 to 0.11) | 0.15 (−0.08 to 0.39) |
| Coefficient of variation | R2 adjusted | SEE | |||||||
|---|---|---|---|---|---|---|---|---|---|
| EB-testnew (%) | EB-test2012 (%) | Åstrand (%) | EB-testnew | EB-test2012 | Åstrand | EB-testnew | EB-test2012 | Åstrand | |
| All (n = 71) | 9.4 | 10.9 | 18.1 | 0.83 | 0.74 | 0.50 | 0.28 | 0.35 | 0.48 |
| Men (n = 27) | 8.4 | 9.7 | 14.8 | 0.68 | 0.56 | 0.50 | 0.31 | 0.36 | 0.39 |
| Women (n = 44) | 9.3 | 11.8 | 17.2 | 0.75 | 0.62 | 0.61 | 0.26 | 0.32 | 0.33 |
| Age | |||||||||
| <35 (n = 41) | 8.8 | 9.5 | 17.3 | 0.71 | 0.57 | 0.25 | 0.27 | 0.33 | 0.44 |
| 35–49 (n = 17) | 9.9 | 9.1 | 21.7 | 0.83 | 0.82 | 0.38 | 0.28 | 0.28 | 0.52 |
| 50–64 (n = 12) | 11.9 | 19.0 | 17.2 | 0.85 | 0.70 | 0.69 | 0.33 | 0.47 | 0.47 |
| Absolute VO2max level (according to L min−1) | |||||||||
| Q1 (n = 10) | 12.8 | 18.8 | 23.9 | 0.69 | 0.67 | 0.08 | 0.24 | 0.24 | 0.41 |
| Q2 (n = 15) | 9.7 | 9.2 | 18.2 | 0.86 | 0.78 | 0.29 | 0.17 | 0.22 | 0.39 |
| Q3 (n = 23) | 8.0 | 10.1 | 14.5 | 0.89 | 0.75 | 0.53 | 0.22 | 0.34 | 0.46 |
| Q4 (n = 23) | 7.3 | 5.7 | 17.7 | 0.69 | 0.76 | 0.06 | 0.23 | 0.20 | 0.40 |
| Relative VO2max level (according to mL kg−1 min−1) | |||||||||
| Q1 (n = 11) | 8.2 | 7.8 | 26.9 | 0.91 | 0.90 | 0.12 | 0.25 | 0.25 | 0.75 |
| Q2 (n = 12) | 9.3 | 12.5 | 14.6 | 0.90 | 0.84 | 0.75 | 0.27 | 0.33 | 0.41 |
| Q3 (n = 25) | 11.3 | 10.9 | 17.4 | 0.79 | 0.70 | 0.47 | 0.28 | 0.34 | 0.45 |
| Q4 (n = 23) | 6.6 | 9.2 | 15.5 | 0.81 | 0.59 | 0.34 | 0.22 | 0.32 | 0.41 |
All measured and estimated values are in expressed as L min−1
Quartiles (L min−1), women; <2.14, 2.14–2.59, 2.59–2.93, >2.93; men; <3.07, 3.07–3.75, 3.75–4.33, >4.33
Quartiles (mL kg−1 min−1), women; <32.5, 32.5–40.2, 40.2–47.4, >47.4; men; <37.5, 37.5–47.6, 47.6–54.8, >54.8
SD standard deviation, SEE standard error of the estimate, Q quartile