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Table 1 Average monthly emergency department visits for sport-related concussions

From: The effects of a state concussion law on the frequency of sport-related concussions as seen in two emergency departments

Age group

Pre CT PA 10-62

Post CT PA 10-62

Total

Pre/post p value

Total

Mean (±SD)

95% CI

Total

Mean (±SD)

95% CI

Total

Mean (±SD)

95% CI

Youth

195

2.0 (±2.0)

1.6 to 2.4

130

3.6 (±2.9)

2.7 to 4.6

325

2.5 (±2.4)

2.0 to 2.9

0.005

High school

238

2.5 (±1.9)

2.1 to 2.9

213

5.9 (±3.5)

4.8 to 7.1

451

3.4 (±2.9)

2.9 to 3.9

<0.000

Adult

185

1.9 (±1.7)

1.6 to 2.3

82

2.3 (±1.7)

1.7 to 2.8

267

2.0 (±1.7)

1.7 to 2.3

0.5172