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. 2022 Feb 3;17(2):e0263518. doi: 10.1371/journal.pone.0263518

Table 2. Estimated marginal means (±SE) and 95% confidence interval values representative of the relative frequency of ball releases, dominant ball releases, non-dominate ball releases, high-speed ball releases, ball release index, ball release index dominant and ball release index non-dominant for professional soccer players according to match proximity (match day [MD]).

  MD-4 MD-3 MD-2 MD-1 MD+1
Releases (f) 1.2 ± 0.27 1.32 ± 0.42 1.9 ± 0.52 1.46 ± 0.57 2.01 ± 0.61
(1.16 to 1.24) (1.26 to 1.38) (1.83 to 1.97) (1.42 to 1.51) (1.94 to 2.09)
Dominant releases (f) 0.93 ± 0.25 1.03 ± 0.3 1.55 ± 0.46 1.18 ± 0.45 1.56 ± 0.48
(0.89 to 0.97) (0.99 to 1.07) (1.49 to 1.61) (1.15 to 1.21) (1.51 to 1.62)
Non-dominant releases (f) 0.27 ± 0.15 0.3 ± 0.23 0.36 ± 0.2 0.3 ± 0.21 0.47 ± 0.23
(0.25 to 0.3) (0.26 to 0.33) (0.34 to 0.39) (0.28 to 0.31) (0.44 to 0.49)
High-speed releases (>15m/s) (f) 0.12 ± 0.07 0.11 ± 0.07 0.26 ± 0.2 0.14 ± 0.15 0.22 ± 0.15
(0.11 to 0.13) (0.1 to 0.12) (0.23 to 0.28) (0.13 to 0.15) (0.2 to 0.24)
Release index 1.17 ± 0.23 1.18 ± 0.34 1.71 ± 0.52 1.3 ± 0.55 1.84 ± 0.56
(1.13 to 1.2) (1.13 to 1.22) (1.65 to 1.78) (1.26 to 1.34) (1.77 to 1.9)
Release index dominant 0.92 ± 0.24 0.93 ± 0.28 1.4 ± 0.47 1.04 ± 0.44 1.44 ± 0.45
(0.88 to 0.95) (0.89 to 0.97) (1.34 to 1.46) (1.01 to 1.08) (1.39 to 1.5)
Release index non-dominant 0.25 ± 0.14 0.25 ± 0.17 0.31 ± 0.19 0.26 ± 0.21 0.39 ± 0.21
  (0.23 to 0.27) (0.23 to 0.27) (0.29 to 0.33) (0.24 to 0.27) (0.37 to 0.42)

MD-4- Match Day minus 4; MD-3 Match Day minus 3; MD-2- Match Day minus 2; MD-1- Match Day -1; MD+1- Match Day +1.