Table 2: Top 3 injury subtypes per age group based on injury burden.

Age group

      Injury subtype

  Injuries

    Incidence

Total
time loss

Median
time loss

Injury
burden

 

   Injury location, injury type

N (% of total)

    Injuries per
  player season
     (95% CI)

Days (% of total)

Days lost per injury (interquartile)

Days per player season

Under 8

Foot/toe, Fracture

1 (11)

 0.02 (0-0.06)

43 (24)

43 (43-43)

0.98

 

Thigh, Muscle injury/strain

2 (22)

0.04 (0-0.10)

45 (25)

23 (19-26)

0.96

 

Ankle, Sprain/ligament injury

1 (11)

0.02 (0-0.06)

27 (15)

27 (27-27)

0.62

             

Under 9

Ankle, Sprain/ligament injury

5 (20)

0.06 (0-0.12)

110 (27)

22 (12-24)

1.38

 

Foot/toe, Apophysitis

4 (16)

0.07 (0.01-0.13)

75 (18)

19 (16-22)

1.31

 

Knee, Apophysitis

2 (8)

0.03 (0-0.06)

67 (16)

34 (17-50)

0.85

             

Under 10

Foot/toe, Apophysitis

8 (23)

0.09 (0.03-0.15)

181 (27)

25 (14-27)

2.19

 

Elbow, Fracture

1 (3)

0.01 (0-0.03)

90 (13)

90 (90-90)

0.94

 

Hip/groin, Muscle injury/strain

4 (11)

0.04 (0-0.09)

116 (17)

12 (10-49)

0.53

             

Under 11

Knee, Apophysitis

17 (22)

0.16 (0.08-0.24)

588 (36)

14 (10-33)

2.26

 

Foot/toe, Apophysitis

12 (15)

0.12 (0.05-0.18)

223 (13)

17 (9-24)

2.01

 

Hip/groin, Muscle injury/strain

10 (13)

0.10 (0.04-0.15)

162 (10)

15 (7-21)

1.43

             

Under 12

Knee, Apophysitis

28 (20)

0.22 (0.14-0.31)

703 (25)

17 (10-28)

3.77

 

Foot/toe, Apophysitis

18 (13)

0.14 (0.08-0.21)

557 (20)

17 (11-27)

2.42

 

Knee, Meniscus/cartilage injury

2 (1)

0.02 (0-0.04)

282 (10)

141 (24-258)

2.27

             

Under 13

Knee, Apophysitis

30 (19)

0.27 (0.17-0.36)

932 (30)

18 (8-28)

4.82

 

Foot/toe, Apophysitis

20 (13)

0.18 (0.10-0.26)

402 (13)

18 (10-29)

3.22

 

Hip/groin, Muscle injury/strain

19 (12)

0.16 (0.09-0.24)

299 (10)

13 (12-20)

2.14

             

Under 14

Knee, Apophysitis

24 (18)

0.25 (0.15-0.35)

1827 (36)

43 (22-110)

10.59

 

Hip/groin, Muscle injury/strain

17 (12)

0.18 (0.09-0.26)

578 (11)

20 (11-31)

3.52

 

Knee, Fracture

1 (< 1)

0.01 (0-0.03)

251 (5)

251 (251-251)

2.61

             

Under 15

Knee, Meniscus/cartilage injury

3 (2)

0.03 (0-0.07)

559 (8)

252 (27-280)

8.74

 

Foot/toe, Apophysitis

8 (5)

0.09 (0.03-0.15)

681 (10)

87 (22-147)

7.93

 

Knee, Apophysitis

16 (10)

0.17 (0.08-0.26)

1338 (20)

44 (25-153)

7.44

             

Under 16

Knee, Apophysitis

14 (10)

0.19 (0.09-0.28)

878 (16)

33 (10-80)

6.16

 

Knee, Meniscus/cartilage injury

4 (3)

0.06 (0.00-0.11)

488 (9)

90 (27-218)

4.95

 

Ankle, Sprain/ligament injury

14 (10)

0.17 (0.08-0.26)

388 (7)

28 (18-33)

4.80

             

Under 17

Knee, Meniscus/cartilage injury

3 (3)

0.04 (0-0.08)

504 (18)

150 (135-219)

5.63

 

Knee, Sprain/ligament injury

7 (6)

0.10 (0.03-0.17)

428 (15)

41 (5-83)

3.95

 

Hip/groin, Muscle injury/strain

16 (13)

0.23 (0.12-0.34)

303 (11)

12 (4-23)

2.78

             

Under 19

Thigh, Tendon injury

3 (2)

0.02 (0-0.05)

399 (19)

200 (73-326)

4.54

 

Shoulder, Meniscus/cartilage injury

1 (< 1)

0.01 (0-0.03)

188 (9)

188 (188-188)

1.80

 

Ankle, Sprain/ligament injury

17 (14)

0.22 (0.12-0.32)

252 (12)

8 (3-24)

1.76