Post-tackle—types of injuries sustained by BC, T1 and T2 as a function of the player’s BRS during the tackle
| No of events in group (%) | RR (95% CI), p value | ||||
|---|---|---|---|---|---|
| Risk factor in tackle | General play | BC injured | T1 injured | BC | T1 |
| BC | |||||
| Player | |||||
| Back | 3266 (54.5) | 16 (50.0) | 7 (46.7) | 0.92 (0.56 to 1.50), 0.726 | 0.86 (0.41 to 1.80), 0.682 |
| Forward | 2723 (45.5) | 16 (50.0) | 8 (53.3) | 1.10 (0.67 to 1.80), 0.704 | 1.17 (0.59 to 2.35), 0.653 |
| Speed into tackle | |||||
| Fast | 1260 (20.4) | 13 (40.6) | 7 (41.2) | 1.99 (1.15 to 3.44), 0.014 | 2.02 (0.96 to 4.24), 0.064 |
| Slow/stationary | 4910 (79.6) | 19 (59.4) | 10 (58.8) | 0.75 (0.48 to 1.17), 0.204 | 0.74 (0.40 to 1.37), 0.342 |
| BRS in tackle | |||||
| Head/neck | 238 (4.0) | 10 (33.3) | 2 (12.5) | 8.33 (4.42 to 15.68), <0.001* | 3.12 (0.78 to 12.56), 0.110 |
| Upper limb | 2364 (39.7) | 10 (33.3) | 4 (25.0) | 0.84 (0.45 to 1.56), 0.575 | 0.63 (0.24 to 1.68), 0.352 |
| Trunk | 2273 (38.2) | 6 (20.0) | 2 (12.5) | 0.52 (0.23 to 1.17), 0.114 | 0.33 (0.08 to 1.31), 0.114 |
| Lower limb | 1073 (18.0) | 4 (13.3) | 8 (50.0) | 0.74 (0.28 to 1.97), 0.549 | 2.77 (1.38 to 5.56), 0.004* |
| Tackler-1 | |||||
| Player | |||||
| Back | 2769 (46.5) | 10 (34.5) | 10 (58.8) | 0.74 (0.40 to 1.38), 0.347 | 1.27 (0.68 to 2.35), 0.459 |
| Forward | 3186 (53.5) | 19 (65.5) | 7 (41.2) | 1.22 (0.78 to 1.92), 0.379 | 0.77 (0.37 to 1.62), 0.490 |
| Speed into tackle | |||||
| Fast | 744 (12.1) | 6 (18.8) | 5 (29.4) | 1.55 (0.70 to 3.47), 0.280 | 2.44 (1.01 to 5.88), 0.047 |
| Slow/stationary | 5424 (87.9) | 26 (81.3) | 12 (70.6) | 0.92 (0.63 to 1.36), 0.689 | 0.80 (0.46 to 1.41), 0.447 |
| Impact on BC | |||||
| High | 1253 (20.3) | 19 (59.4) | 11 (64.7) | 2.92 (1.86 to 4.60), <0.001* | 3.19 (1.76 to 5.77), <0.001* |
| Low | 4918 (79.6) | 13 (40.6) | 6 (35.3) | 0.51 (0.30 to 0.88), 0.015 | 0.44 (0.20 to 0.99), 0.047 |
| Direction on BC | |||||
| Behind | 833 (13.6) | 3 (9.4) | 2 (11.8) | 0.69 (0.22 to 2.15), 0.522 | 0.87 (0.22 to 3.47), 0.841 |
| Front | 2107 (34.3) | 15 (46.9) | 9 (52.9) | 1.37 (0.82 to 2.27), 0.230 | 1.54 (0.80 to 2.97), 0.194 |
| Side | 3200 (52.1) | 14 (43.8) | 6 (35.3) | 0.84 (0.50 to 1.42), 0.516 | 0.68 (0.30 to 1.51), 0.342 |
| Tackle type | |||||
| Arm | 3136 (51.6) | 13 (41.9) | 4 (23.5) | 0.81 (0.47 to 1.40), 0.453 | 0.46 (0.17 to 1.21), 0.116 |
| Collision | 394 (6.5) | 5 (16.1) | 2 (11.8) | 2.49 (1.03 to 6.01), 0.043 | 1.81 (0.45 to 7.28), 0.401 |
| Jersey | 179 (2.9) | 0 (0) | 0 (0) | 0.00 (−), − | 0.00 (−), − |
| Lift | 27 (0.4) | 0 (0) | 0 (0) | 0.00 (−), − | 0.00 (−), − |
| Shoulder | 1572 (25.9) | 10 (32.3) | 10 (58.8) | 1.25 (0.67 to 2.32), 0.490 | 2.27 (1.22 to 4.23), 0.010* |
| Smother | 735 (12.1) | 2 (6.5) | 1 (5.9) | 0.53 (0.13 to 2.14), 0.373 | 0.49 (0.07 to 3.46), 0.472 |
| Ankle tap | 30 (0.5) | 1 (3.2) | 0 (0) | 6.53 (0.89 to 47.89), 0.064 | 0.00 (−), − |
| BRS in tackle | |||||
| Head/neck | 46 (0.8) | 2 (6.7) | 12 (75.0) | 8.88 (2.16 to 36.59), 0.003* | 99.91 (52.93 to 188.60), <0.001* |
| Upper limb | 5604 (92.1) | 27 (90.0) | 4 (25.0) | 0.98 (0.67 to 1.44), 0.764 | 0.27 (0.10 to 0.73), 0.006* |
| Trunk | 357 (5.9) | 0 (0) | 0 (0) | 0.00 (−), − | 0.00 (−), − |
| Lower limb | 75 (1.2) | 1 (3.3) | 0 (0) | 2.72 (0.38 to 19.59), 0.342 | 0.00 (−), − |
↵* Statistically signifi cant difference (<0.01).
BC, ball carrier; BRS, body region struck; T1, Tackler-1.