Table 2. Concurrent validity and limits of agreement (LoA) between the drone and radar systems for sprint F-V variables.
| Variables |
Absolute
bias (lower-upper LoA) |
%Bias (lower-upper
LoA) |
Bias interpretation |
| Tau
(s) |
0.04 (-0.14
to 0.22) |
3.71 (-11.89
to 19.69) |
Poor |
| Amax
(m·s-2) |
-0.18 (-1.02
to 0.67) |
-2.29 (-12.92
to 8.61) |
Poor |
| Vmax
(m·s-1) |
0.08 (-0.28
to 0.44) |
0.96 (-3.17
to 5.10) |
Good |
| V0
(m·s-1) |
0.10 (-0.33
to 0.53) |
1.12 (-3.66
to 5.91) |
Good |
| F0
(N·kg-1) |
-0.20 (-1.06
to 0.67) |
-2.55 (-13.37
to 8.56) |
Poor |
| Pmax
(W·kg-1) |
-0.27 (-1.64
to 1.11) |
-1.54 (-8.96
to 6.12) |
Good |
| RFmax
(%) |
-0.90 (-5.18
to 3.38) |
-1.46 (-8.27
to 5.46) |
Good |
| SFV
(N·s·m-1·kg-1) |
0.03 (-0.10
to 0.16) |
3.50 (-11.54
to 18.18) |
Poor |
| T5m
(s) |
0.01 (-0.05
to 0.07) |
0.76 (-3.42
to 5.00) |
Good |
| T10m
(s) |
0.01 (-0.06
to 0.08) |
0.53 (-2.62
to 3.71) |
Good |
| T15m
(s) |
0.01 (-0.06
to 0.08) |
0.39 (-2.15
to 2.96) |
Good |
| T20m
(s) |
0.01 (-0.07
to 0.08) |
0.16 (-2.01
to 2.35) |
Good |
| A5m
(m·s-2) |
-0.06 (-0.35
to 0.23) |
-1.32 (-7.54
to 5.05) |
Good |
| A10m
(m·s-2) |
-0.03 (-0.18
to 0.13) |
-0.73 (-4.97
to 3.60) |
Good |
| A15m
(m·s-2) |
-0.01 (-0.10
to 0.08) |
-0.34 (-3.47
to 2.86) |
Good |
| A20m
(m·s-2) |
0.00 (-0.07
to 0.07) |
0.09 (-2.78
to 3.01) |
Good |
LoA = limits of agreement.
