Player baseline characteristics by position (median (IQR))
| All players | N | Front Five (n=115) | Back Row (n=47) | Half-Backs (n=45) | Back Five (n=82) | Kruskal-Wallis p value | |
| Body mass (kg) | 104.0 (92.1, 115.0) | 289 | 116 (113, 121) | 108.0 (103, 110) | 88.3 (83.3, 91.0) | 94.0 (88.5, 99.2) | <0.001 |
| Per cent fat (%) | 13.8 (11.7, 16.8) | 286 | 17.1 (14.8, 18.6) | 14.6 (12.7, 16.5) | 12.1 (10.2, 13.1) | 11.7 (10.6, 12.8) | <0.001 |
| Fat-free mass (kg) | 88.8 (81.6, 95.6) | 283 | 95.6 (92.1, 100.4) | 92.2 (88.5, 95.4) | 77.6 (74.6, 80.1) | 83.5 (78.4, 98.0) | <0.001 |
| Maximum speed (m/s) | 8.8 (7.7, 9.3) | 281 | 7.5 (7.0, 8.0) | 8.6 (8.3, 8.8) | 9.3 (9.0, 9.5) | 9.4 (9.2, 9.6) | <0.001 |
| Momentum (kg⋅m/s) | 869 (818, 920) | 280 | 852 (803, 914) | 920 (874, 948) | 819 (771, 839) | 883 (831, 920) | <0.001 |
| Kinetic energy (J) | 3730 (3326, 4101) | 280 | 3233 (2856, 3619) | 3882 (3640, 4143) | 3736 (3556, 3901) | 4118 (3921, 4422) | <0.001 |
| Distance covered (m/game)* | 6591 (6213, 7111) | 83 | 6199 (5998, 6425) | 6487 (6213, 6637) | 7169 (6889, 7353) | 7150 (6879, 7389) | <0.001 |
*n=83, 35, 11, 11 and 26, respectively.