Fig. 2From: COL5A1 gene variants previously associated with reduced soft tissue injury risk are associated with elite athlete status in rugby Inferred haplotype frequencies derived from COL5A1 rs12722 and rs3196378. RU, rugby union. Asterisks (*) indicate differences in inferred haplotype frequencies between the controls and each athlete group ( PÂ =Â 0.01). Eight athletes competed in both elite RL and RU and were included in both groups that were analysed separately Back to article page