Comparison of symptomatic spondylolysis in young soccer and baseball players

Table 4 Correlation between the side of the dominant leg and side of the lesions in soccer and baseball players

	Group S (n = 29)	Group A (n = 33)	Group B (n = 13)	p value
	Group S (n = 29)	Group A (n = 33)	Group B (n = 13)	All groups	Group S vs group A	Group S vs group B	Group A vs group B
Side of the lesions on STIR-MRI
Right	3 (10.3%)	4 (12.1%)	4 (30.8%)	n.s.	n.s.	n.s.	n.s.
Left	7 (24.1%)	23 (69.7%)	6 (46.2%)	0.001	< 0.001	n.s.	n.s.
Bilateral	19 (65.5%)	6 (18.2%)	3 (23.1%)	< 0.001	< 0.001	0.02	n.s.

Data are expressed as number (%) unless otherwise indicated
Group S, soccer players with the right side of the dominant foot
Group A, baseball players whose both dominant sides of the hand of pitching and batting were right
Group B, baseball players whose dominant side of the hand of pitching was right and that of batting was left
STIR short tau inversion recovery, MRI magnetic resonance imaging, n.s. not significant

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