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Table 3 Data extraction from studies included in meta-regression (data are mean change per year ± 95% CI)

From: Evolution of Physical Demands of Australian Football League Matches from 2005 to 2017: A Systematic Review and Meta-Regression

  Overall (2005–2017) 2005–2007 2007–2010 2010–2012 2012–2015 2012–2017
Total distance (m)
 Overall 48 ± 57, p < 0.094 − 111 ± 535, p < 0.670 302 ± 285, p < 0.039 − 293 ± 316, p < 0.068 - 119 ± 141, p < 0.092
 Forward 36 ± 95, p < 0.416 − 234 ± 735, p < 0.476 399 ± 364, p < 0.036 − 521 ± 459, p < 0.032 - 240 ± 311, p < 0.111
 Nomadic 10 ± 127, p < 0.864 − 299 ± 1020, p < 0.500 353 ± 438, p < 0.097 − 541 ± 579, p < 0.062 - 265 ± 429, p < 0.182
 Defender 95 ± 122, p < 0.111 − 274 ± 677, p < 0.370 710 ± 383, p < 0.003 − 686 ± 503, p < 0.015 - 236 ± 338, p < 0.143
 Quarter 1 − 7 ± 30, p < 0.616 − 90 ± 202, p < 0.317 − 8 ± 125, p < 0.887 − 56 ± 173, p < 0.457 - 91 ± 125, p < 0.125
 Quarter 2 16 ± 25, p < 0.174 − 66 ± 160, p < 0.353 25 ± 96, p < 0.553 − 39 ± 127, p < 0.477 - 106 ± 91, p < 0.029
 Quarter 3 − 12 ± 24, p < 0.275 − 83 ± 187, p < 0.321 − 24 ± 114, p < 0.624 6 ± 155, p < 0.924 - 18 ± 111, p < 0.706
 Quarter 4 6.0 ± 19, p < 0.494 − 63 ± 122, p < 0.253 0 ± 70, p < 0.989 − 11 ± 88, p < 0.780 - 65 ± 62, p < 0.045
Metres per minute
 Overall 0.2 ± 0.7, p < 0.494 6.8 ± 5.8, p < 0.023 2.2 ± 3.1, p < 0.155 − 4.3 ± 3.6, p < 0.022 - 1.0 ± 1.7, p < 0.243
 Forward 0.4 ± 0.6, p < 0.185 1.5 ± 4.3, p < 0.477 2.2 ± 1.8, p < 0.021 − 2.8 ± 1.8, p < 0.007 - 0.6 ± 0.8, p < 0.108
 Nomadic 0.7 ± 1.4, p < 0.275 2.5 ± 10.9, p < 0.617 2.3 ± 6.8, p < 0.448 − 2.2 ± 9.2, p < 0.615 - 1.0 ± 6.5, p < 0.729
 Defender 0.7 ± 1.1, p < 0.211 0.4 ± 7.9, p < 0.912 4.4 ± 4.9, p < 0.072 − 3.6 ± 6.5, p < 0.235 - 0.3 ± 4.8, p < 0.892
 Quarter 1 0.7 ± 0.9, p < 0.106 2.3 ± 4.5, p < 0.269 3.2 ± 2.7, p < 0.026 − 3.8 ± 3.5, p < 0.034 - 1.2 ± 2.5, p < 0.300
 Quarter 2 1.2 ± 1.2, p < 0.045 2.8 ± 5.8, p < 0.286 5.0 ± 3.50, p < 0.013 − 4.4 ± 4.7, p < 0.063 - 0.9 ± 3.4, p < 0.559
 Quarter 3 1.1 ± 1.2, p < 0.071 2.8 ± 5.4, p < 0.246 4.7 ± 3.2, p < 0.011 − 4.4 ± 4.1, p < 0.038 - 0.7 ± 3.0, p < 0.607
 Quarter 4 1.4 ± 1.2, p < 0.026 2.8 ± 6.1, p < 0.298 4.8 ± 3.8, p < 0.019 − 3.9 ± 5.0, p < 0.108 - 1.1 ± 3.7, p < 0.481
Total match time (min)
 Overall − 0.15 ± 0.57, p < 0.591 − 6.10 ± 4.47, p < 0.010 0.42 ± 2.37, p < 0.714 1.02 ± 2.71, p < 0.443 - − 0.41 ± 1.37, p < 0.536
 Forward − 0.15 ± 0.73, p < 0.646 − 2.67 ± 6.77, p < 0.382 0.76 ± 3.53, p < 0.625 − 1.87 ± 4.59, p < 0.365 - 1.34 ± 3.28, p < 0.366
 Nomadic 0.02 ± 0.96, p < 0.958 − 4.97 ± 8.83, p < 0.217 1.59 ± 3.78, p < 0.343 − 2.38 ± 4.99, p < 0.286 - 1.63 ± 3.72, p < 0.323
 Defender 0.10 ± 0.92, p < 0.799 − 2.94 ± 8.36, p < 0.432 1.61 ± 4.84, p < 0.457 − 1.85 ± 6.49, p < 0.521 - 1.35 ± 4.66, p < 0.513
Time over 18 km·h−1 (min)
 Overall − 0.06 ± 0.11, p < 0.271 0.04 ± 0.31, p < 0.761 0.31 ± 0.17, p < 0.005 − 0.93 ± 0.25, p < 0.001 0.27 ± 0.18, p < 0.008 -
 Forward − 0.06 ± 0.08, p < 0.096 − 0.15 ± 0.53, p < 0.515 0.18 ± 0.26, p < 0.144 − 0.55 ± 0.34, p < 0.007 0.13 ± 0.22, p < 0.196 -
 Nomadic − 0.70 ± 0.12, p < 0.238 − 0.04 ± 0.56, p < 0.845 0.29 ± 0.23, p < 0.020 − 0.84 ± 0.31, p < 0.001 0.26 ± 0.22, p < 0.029 -
 Defender − 0.09 ± 0.15, p < 0.208 − 0.41 ± 0.83, p < 0.273 0.48 ± 0.52, p < 0.062 − 1.09 ± 0.72, p < 0.010 0.29 ± 0.51, p < 0.207 -
Accelerations greater than 4 km·h−1 in 1 s (n)
 Overall − 4.2 ± 13.5, p < 0.498 4.1 ± 35.4, p < 0.788 41.1 ± 22.5, p < 0.004 − 104.4 ± 32.2, p < 0.001 31.6 ± 23.1, p < 0.016 -
Accelerations greater than 10 km·h−1 in 1 s (n)
 Overall − 0.5 ± 1.2, p < 0.335 0.6 ± 3.2, p < 0.658 3.6 ± 2.1, p < 0.005 − 8.3 ± 2.9, p < 0.001 1.0 ± 2.1, p < 0.281 -