Long term trends in match injury in rugby (2002/2003 to 2018/2019 seasons)
| Measure | Beta | P value | Five season change | Trend |
| Incidence | −0.1 (−1.4–1.3) | 0.93 | −0.28/1000 hours | → |
| Mean severity | 1.2 (0.9–1.4) | <0.01* | 5.8 days | ↑ |
| Median severity | 0.4 (0.3–0.6) | <0.01* | 2.1 days | ↑ |
| Burden | 104.3 (58.6–150.0) | <0.01* | 521 days/1000 hours | ↑ |
| 2–7 days incidence | −1.3 (−2.1–-0.5) | 0.01* | −6.4/1000 hours | ↓ |
| 7–28 days incidence | 0.3 (−0.1–0.7) | 0.17 | 1.5/1000 hours | → |
| 29–84 days incidence | 0.5 (0.2–0.9) | 0.01* | 2.7/1000 hours | ↑ |
| 84+ days incidence | 0.5 (0.3–0.7) | <0.01* | 2.4/1000 hours | ↑ |
| Injury proportion | −0.5 (−1.3–0.3) | 0.24 | −2.35% | → |
| Concussion incidence | 1.2 (0.8–1.6) | <0.01* | 6.0/1000 hours | ↑ |
| Concussion mean severity | 0.5 (0.1–1.0) | 0.04* | 2.5 days | ↑ |
| Concussion median severity | 0.1 (0.03–0.2) | 0.02* | 0.7 days | ↑ |
| Concussion burden | 23.8 (10.9–33.9) | 0.04* | 119 days/1000 hours | ↑ |
| Incidence (excl. concussion) | −1.25 (−2.50–0.01) | 0.06 | −6.3/1000 hours | ↓ |
| Severity (excl. concussion) | 1.74 (1.40–2.08) | <0.01* | 8.7 days | ↑ |
Beta values represent yearly change in respective values. Incidence (injuries per 1000 hours), severity (days absence per injury), burden (days absence per 1000 hours), proportion (percentage of players with at least one injury). ↑ Rising, → Stable, ↓ Falling.
*P<0.05.