Table 2

Translation of injury incidences to probabilities of injury

StudyInjury definitionPopulation (schoolboys; ages)Injury incidenceAverage probability of injury to a player in a season
Nathan 1983 (South Africa)11Injury prevents rugby participation for at least 1 week<10 – <198.4 per 1000 player-hours14%
Sparks 1985* (UK)12Injury prevents rugby participation for at least 1 week<1427.4 per 1000 player-hours38%
<1554.2 per 1000 player-hours61%
<1629.4 per 1000 player-hours40%
1st–4th XV43 per 1000 player-hours53%
Davidson 1987 (Australia)13Injuries that required attention at the school sport's clinic<1313.6 per 1000 player-hours21%
14–1518.4 per 1000 player-hours28%
>1625.6 per 1000 player-hours36%
Roux 1987 (South Africa)9Injury prevents rugby participation for at least one week<14 – <197 per 1000 player-hours12%
Durie 2000* (New Zealand)8Injury causes player to leave field or complain at end of the match.<1319.6 per 1000 player-hours29%
<1420.8 per 1000 player-hours31%
<1525 per 1000 player-hours35%
<1625.9 per 1000 player-hours36%
<1725 per 1000 player-hours35%
1st – 5th XV Average40.1 per 1000 player-hours50%
Junge 2004 (New Zealand)14Any physical complaint14–18129.8 per 1000 player-hours90%
McIntosh 2005 (Australia)15All match injuries<1341.4 per 1000 player-hours52%
<1540.4 per 1000 player-hours51%
<1852.6 per 1000 player-hours60%
McIntosh 2008 (Australia)16Injury required treatment or removal from pitch<1343.3 per 1000 player-hours53%
<1556.3 per 1000 player-hours63%
<1863 per 1000 player-hours67%
Haseler 2010 (UK)17Injury results in inability to take full part in future training or match play<90 per 1000 player-hours0%
<106 per 1000 player-hours9%
<1111 per 1000 player-hours18%
<1223 per 1000 player-hours33%
<1320 per 1000 player-hours22%
<1628 per 1000 player-hours39%
<1749 per 1000 player-hours58%
Nicol 2010 (UK)10Injury results in inability to take full part in future training or match play11–1810.8 per 1000 player-hours17%
  • * In these studies, injury incidences were provided for levels of play within individual age-groups, that is, A-group, B-group etc. An average injury incidence was calculated for each age-group, to allow comparison between age-groups of different studies.