Table 2

Subcategories for prevalence of reported ankle OA, severe injuries and ankle surgeries in retired football and rugby players

FootballRugby
Total
(n=401)*
≤40 years
(n=271)
>40 years
(n=83)
Total
(n=152)
≤40 years
(n=82)
>40 years
(n=66)
Prevalence ankle OA, % (95% CI)
9.2 (6.4 to 12.1)8.5 (5.2 to 11.8)12.0 (5.0 to 19.1)4.6 (1.2 to 8.0)2.4 (0.9 to 5.8)4.5 (0.5 to 9.6)
0 ankle injuries1 ankle injury>1 ankle injury0 ankle injuries1 ankle injury>1 ankle injury
Severe ankle injuries total, % (n)42.5 (156)25.3 (93)32.2 (118)40.5 (60)27.7 (41)31.8 (47)
 With ankle OA, % (n)5.7 (2)28.6 (10)65.7 (23)14.3 (1)42.9 (3)42.9 (3)
 Without ankle OA, % (n)
46.4 (154)25.0 (83)28.6 (95)41.8 (59)27.0 (38)31.2 (44)
No ankle surgeries1 ankle surgery>1 ankle surgeryNo ankle surgeries1 ankle surgery>1 ankle surgery
Ankle surgeries total, % (n)81.5 (299)10.9 (40)7.6 (28)79.7 (118)15.5 (23)4.7 (7)
 With ankle OA, % (n)38.2 (13)29.4 (10)32.4 (11)42.9 (3)42.9 (3)14.3 (1)
 Without ankle OA, % (n)85.9 (286)9 (30)5.1 (17)81.6 (115)14.2 (20)4.3 (6)
  • *The sum of patients in the subcategories ≤40 years and >40 years does not equal the ‘total number of participants’ due to missing data (regarding age).

  • n, number; OA, osteoarthritis.