Table 1.

Incidence of positive spine MRIs in athletes by sport

Sport	Total athletes	Athletes receiving spine MRIs	Positive spine MRIs	Frequency (positive MRIs/all spine MRIs)	Incidence (positive MRIs/total athletes × 100)
Aquatics—diving	135	6	4	67	3.0
Aquatics—swimming	901	4	2	50	0.2
Aquatics—water polo	258	1	1	100	0.4
Archery	128	1	1	100	0.8
Athletics	2367	31	15	48	0.6
Badminton	172	1	0	0	0
Beach volleyball	96	1	0	0	0
Boxing	286	4	1	25	0.4
Canoe—sprint	248	1	0	0	0
Cycling—mountain biking	80	1	1	100	1.3
Equestrian	200	1	0	0	0
Fencing	204	2	1	50	0.5
Football	503	2	1	50	0.2
Gymnastics	322	6	1	17	0.3
Handball	335	2	2	100	0.6
Hockey	384	3	2	67	0.5
Judo	390	8	5	63	1.3
Rowing	546	3	1	33	0.2
Rugby	291	1	1	100	0.3
Sailing	380	2	2	100	0.5
Shooting	390	3	1	33	0.3
Table tennis	172	2	1	50	0.6
Tennis	199	2	1	50	0.5
Triathlon	109	1	1	100	0.9
Volleyball	288	3	1	33	0.3
Weightlifting	256	6	4	67	1.6
Wrestling	349	2	2	100	0.6
Others	1285	0	0	0	0
Total	11 274	100	52	52	0.5