Table 2: Sport Concussion Assessment Tool (SCAT) total and component scores by hours/week dedicated to the sport and total duration of participation in the sport.

	Total	From 6 to 12 hours/week Mean, s	From 13 to 18 hours/week Mean, s	From 6 to 24 months Mean, s	More than 24 months Mean, s
SCAT-2	86.6 ± 7.2	87.2 ± 6.7	85.1 ± 7.5*	84.8 ± 6.9	87.6 ± 6.7*
Symptom Evaluation	20.1 ± 1.8	21.1 ± 1.7	20.5 ± 2.1*	20.9 ± 1.7	21.0 ± 1.8
Orientation	4.9 ± 0.3	4.9 ± 0.3	4.9 ± 0.4	4.8 ± 0.5	4.9 ± 0.3*
Immediate memory	13.4 ± 2.0	13.4 ± 2.0	13.6 ± 1.6	13.5 ± 2.0	13.4 ± 1.9
Concentration	2.8 ± 1.2	2.9 ± 1.1	2.6 ± 1.3	2.7 ± 1.2	2.9 ± 1.1
Delayed recall score	3.5 ± 1.2	3.6 ± 1.2	3.1 ± 1.3*	3.8 ± 1.0	3.4 ± 1.3*
SAC	24.7 ± 2.9	24.8 ± 2.9	24.3 ± 2.7	24.9 ± 2.7	24.7 ± 2.9
Balance examination	23.1 ± 5.7	23.3 ± 5.5	22.3 ± 6.4	21.1 ± 5.9	23.9 ± 5.4*
Double leg stance	0.8 ± 2.0	0.8 ± 2.0	1.0 ± 1.9	1.5 ± 2.5	0.5 ± 1.6*
Single leg stance	3.6 ± 2.9	3.5 ± 2.7	3.9 ± 3.5	4.3 ± 2.8	3.3 ± 2.9*
Tandem stance	2.5 ± 2.7	2.4 ± 2.6	2.8 ± 3.1	3.1 ± 2.7	2.2 ± 2.6*
Coordination examination	0.98 ± 0.1	0.98 ± 0.14	0.99 ± 0.11	0.98 ± 0.13	0.98 ± 0.14

*Significantly different from values of the same line P < 0.05. Results of the double leg stance, single leg stance and tandem stance tests are presented as the mean of the number of errors. Standardised Assessment of Concussion (SAC).