Incidence and mean and median severity of injuries sustained by forwards and backs during matches and training
| Activity/playing position | Incidence, injuries/1000 player-hours (95% CI) | Severity, days (95% CI) | |
|---|---|---|---|
| Mean | Median | ||
| Match injuries | |||
| All forwards | 85.0 (68.9 to 104.9) | 21.2 (11.8 to 30.6) | 6 (4 to 7) |
| Front row | 83.3 (58.9 to 117.8) | 18.2 (7.5 to 28.9) | 6 (4 to 11) |
| Second row | 70.3 (44.3 to 111.6) | 17.5 (0 to 39.5) | 6 (3 -10) |
| Back row | 96.4 (69.8 to 133.0) | 25.5 (8.3 to 42.7) | 5.5 (3 to 16) |
| All Backs | 93.8 (75.7 to 116.2) | 26.2 (16.5 to 35.9) | 9 (6 to 14) |
| Halves# | 93.8 (62.8 to 139.90) | 23.8 (9.8 to 37.7) | 8 (4 to 27) |
| Inside backs | 105.5 (72.3 to 153.8) | 39.5 (13.6 to 65.4) | 9 (4 to 32) |
| Outside backs | 85.9 (61.1 to 120.9) | 17.0 (10.3 to 23.7) | 9 (5 to 16) |
| p Value | 0.522* | 0.465* | 0.094+ |
| All players | 89.1 (76.7 to 103.5) | 23.6 (16.9 to 30.4) | 6 (6 to 9) |
| Training injuries | |||
| All forwards | 2.7 (1.8 to 4.1) | 33.4 (9.2 to 57.6) | 7 (4 to 23) |
| All backs | 1.7 (1.0 to 3.0) | 14.3 (1.8 to 26.7) | 8.5 (4 to 13) |
| p Value | 0.194* | 0.171* | 0.875+ |
| All players | 2.2 (1.6 to 3.1) | 26.9 (10.2 to 43.5) | 8 (4 to 11) |
↵* All forwards vs all backs (Z-test).
+All forwards vs all backs (Mann–Whitney U test).