Table 4

Frequency and proportion of all time-loss injuries in 126 youth track and field athletes during 1 year (females n=71; males n=55) by diagnosis and body part

Body region	Non-traumatic injury												Traumatic injury												Total (n)		Proportion (% (95% CI))
	Gradual onset injury						Sudden onset injury
	Inflammation and pain			Stress fracture			Sprain, strain or rupture			Joint derangement			Fracture			Dislocation			Open wound/contusion superficial			Internal
	F	M	Tot	F	M	Tot	F	M	Tot	F	M	Tot	F	M	Tot	F	M	Tot	F	M	Tot	F	M	Tot	F/M	Tot
Vertebral column
Head, face	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	1	0	0	0	1/0	0	1 (0 to 3)
Cervical, thoracic	1	1	2	0	0	0	1	2	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2/3	1	3 (1 to 7)
Lumbar, pelvis, sacrum	5	0	5	2	0	2	4	6	10	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	11/6	5	10 (6 to 15)
Abdomen	0	0	0	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0/1	0	1 (0 to 3)
Extremities
Upper
Shoulder	0	1	1	0	0	0	1	3	4	0	0	0	0	0	0	1	0	1	0	0	0	0	0	0	2/4	6	3 (1 to 8)
Upper arm, elbow	0	1	1	0	0	0	2	2	4	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2/3	5	3 (1 to 7)
Forearm, wrist, hand	0	2	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0/2	2	1 (0 to 4)
Lower
Hip, groin, thigh	5	7	12	0	1	1	11	16	27	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	16/24	40	23 (17 to 31)
Knee, lower leg	15	25	40	1	1	2	6	1	7	1	0	1	0	0	0	0	0	0	1	0	1	0	0	0	24/27	51	30 (23 to 37)
Achilles tendon, ankle, foot/toe	9	3	12	5	0	5	13	11	24	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0	27/15	42	25 (18 to 32)
Unclassified by site
Others and unspecified	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0/0		0 (0 to 2)
Total (n)	35	40	75	8	2	10	38	42	80	1	0	1	0	0	0	1	0	1	2	1	3	0	0	0		170
Proportion (% (95% CI))	44 (37 to 52)			6 (3 to 11)			47 (39 to 55)			1 (0 to 3)			0 (0 to 2)			1 (0 to 3)			2 (0 to 5)			0 (0 to 2)

F, number of females; M, number of males; Tot, total number of injuries.