Table 2. VO2max and ventilatory thresholds before and after ACLR and in the control group.
| ACL | ACLR | Control | ACL vs ACLR | ACL vs control | ACLR vs control | |
|---|---|---|---|---|---|---|
| p value [IC 95% of the difference] | ||||||
| VO2max (mL/kg/min) |
45.2 ± 4.3 | 48.9 ± 3.8 | 56.9 ± 4.2 | < .001 [-5.6, -2.0] |
< .001 [8.9, 14.4] |
< .001 [5.4, 10.5] |
| vVO2max (km/h) |
14.4 (10.8–19.2) |
15.6 (13.2–19.2) |
16.8 (15.6–19.2) |
.007 [1.8, 3.8] |
< .001 [1.8, 3.8] |
< .001 [0.9, 2.7] |
| VT2 (mL/kg/min) |
38.3 ± 4.1 | 41.4 ± 4.5 | 49.1 ± 3.6 | .008 [-5.5, -0.9] |
< .001 [8.3, 13.2] |
< .001 [5.0, 10.2] |
| %VO2maxVT2 | 85 ± 6 | 85 ± 7 | 86 ± 4 | .92 [-4.8, 5.3] |
.39 [-1.9, 4.9] |
.36 [-2.1, 5.6] |
| vVT2 (km/h) |
10.8 (9.6–13.2) |
12 (10.8–13.2) |
13.2 (12.0–15.6) |
.006 [1.7, 2.9] |
< .001 [1.7, 2.9] |
< .001 [1.1, 2.3] |
| VT1 (mL/kg/min) |
30.3 ± 5.1 | 34.3 ± 3.5 | 37.2 ± 3.7 | .006 [-6.7, -1.3] |
< .001 [4.1, 9.8] |
.015 [0.6, 5.3] |
| %VO2maxVT1 | 67 ± 8 | 70 ± 7 | 65 ± 6 | .22 [-9, 2.2] |
.61 [-6.1, 3.6] |
.04 [-9.1, -0.2] |
| vVT1 (km·h-1) |
9.6 (7.2–10.8) |
9.6 (8.4–10.8) |
9.6 (9.6–12.0) |
.025 [0.5, 1.5] |
< .001 [0.5, 1.5] |
.095 [-0.4, 0.9] |
VO2max: maximum oxygen uptake; VT1 and VT2: first and second ventilatory thresholds
%VO2maxVT1 and %VO2maxVT2: percentage of VO2max corresponding to VT1 and VT2
vVO2max, vVT1 and vVT2: running speeds at VO2max, VT1 and VT2, median (range).All other values represent mean ± standard deviation