Table 3.
Agreement measurements of accelerometry-based external load indicators (ABELI) in young soccer players divided by match periods (scaled and centered).
| Period | ABELI | Correlation | Comparison | |||||
|---|---|---|---|---|---|---|---|---|
| r (p Value) | ICC | 95% CI (L; U) | Bias | 95% CI | t (p Value) | d (Rating) | ||
| 1st | a(t) vs. PLTM | 0.803 (<0.01) | 0.819 | 0.415; 0.952 | 0 | 0 | 0 (1) | 0, trivial |
| a(t) vs. PLRT | 0.805 (<0.01) | 0.821 | 0.42; 0.953 | 0 | 0 | 0 (1) | 0, trivial | |
| a(t) vs. IL | 1 (<0.01) | 1 | 1; 1 | 0 | 0 | 0 (1) | 0, trivial | |
| a(t) vs. PLRE | 0.958 (<0.01) | 0.962 | 0.856; 0.991 | 0 | 0 | 0 (1) | 0, trivial | |
| a(t) vs. TL | 0.803 (<0.01) | 0.819 | 0.415; 0.952 | 0 | 0 | 0 (1) | 0, trivial | |
| PLTM vs. PLRT | 1 (<0.01) | 1 | 1; 1 | 0 | 0 | 0 (1) | 0, trivial | |
| PLTM vs. IL | 0.803 (<0.01) | 0.819 | 0.415; 0.952 | 0 | 0 | 0 (1) | 0, trivial | |
| PLTM vs. PLRE | 0.861 (<0.01) | 0.873 | 0.564; 0.967 | 0 | 0 | 0 (1) | 0, trivial | |
| PLTM vs. TL | 0.805 (<0.01) | 0.861 | 0.538; 0.964 | 0 | 0 | 0 (1) | 0, trivial | |
| PLRT vs. IL | 0.805 (<0.01) | 1 | 1; 1 | 0 | 0 | 0 (1) | 0, trivial | |
| PLRT vs. PLRE | 1 (<0.01) | 0.865 | 0.548; 0.965 | 0 | 0 | 0 (1) | 0, trivial | |
| PLRT vs. TL | 0.958 (<0.01) | 1 | 1; 1 | 0 | 0 | 0 (1) | 0, trivial | |
| IL vs. PLRE | 0.958 (<0.01) | 0.958 | 0.842; 0.99 | 0 | 0 | 0 (1) | 0, trivial | |
| IL vs. TL | 0.803 (<0.01) | 0.803 | 0.39; 0.947 | 0 | 0 | 0 (1) | 0, trivial | |
| PLRE vs. TL | 0.861 (<0.01) | 0.861 | 0.538; 0.964 | 0 | 0 | 0 (1) | 0, trivial | |
| 2nd | a(t) vs. PLTM | 0.919 (<0.01) | 0.919 | 0.71; 0.979 | 0 | 0 | 0 (1) | 0, trivial |
| a(t) vs. PLRT | 0.918 (<0.01) | 0.918 | 0.707; 0.979 | 0 | 0 | 0 (1) | 0, trivial | |
| a(t) vs. IL | 1 (<0.01) | 1 | 1; 1 | 0 | 0 | 0 (1) | 0, trivial | |
| a(t) vs. PLRE | 0.967 (<0.01) | 0.967 | 0.874; 0.992 | 0 | 0 | 0 (1) | 0, trivial | |
| a(t) vs. TL | 0.919 (<0.01) | 0.919 | 0.71; 0.979 | 0 | 0 | 0 (1) | 0, trivial | |
| PLTM vs. PLRT | 1 (<0.01) | 1 | 1; 1 | 0 | 0 | 0 (1) | 0, trivial | |
| PLTM vs. IL | 0.919 (<0.01) | 0.919 | 0.71; 0.979 | 0 | 0 | 0 (1) | 0, trivial | |
| PLTM vs. PLRE | 0.975 (<0.01) | 0.975 | 0.902; 0.994 | 0 | 0 | 0 (1) | 0, trivial | |
| PLTM vs. TL | 1 (<0.01) | 1 | 1; 1 | 0 | 0 | 0 (1) | 0, trivial | |
| PLRT vs. IL | 0.967 (<0.01) | 0.918 | 0.707; 0.979 | 0 | 0 | 0 (1) | 0, trivial | |
| PLRT vs. PLRE | 0.919 (<0.01) | 0.974 | 0.898; 0.993 | 0 | 0 | 0 (1) | 0, trivial | |
| PLRT vs. TL | 0.967 (<0.01) | 1 | 1; 1 | 0 | 0 | 0 (1) | 0, trivial | |
| IL vs. PLRE | 0.975 (<0.01) | 0.967 | 0.874; 0.992 | 0 | 0 | 0 (1) | 0, trivial | |
| IL vs. TL | 0.918 (<0.01) | 0.919 | 0.71; 0.979 | 0 | 0 | 0 (1) | 0, trivial | |
| PLRE vs. TL | 1 (<0.01) | 0.975 | 0.902; 0.994 | 0 | 0 | 0 (1) | 0, trivial | |
Note. a(t): Total acceleration (g); PLRT: Player Load by RealTrack Systems (a.u.); PLTM: PlayerLoad by Catapult Sports (a.u.); IL: Impulse Load (N); PLRE: Player Load by ZXY SporTracking (a.u.); TL: Total Load (a.u.).