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Table 1 Reported Number and National Estimates of Acute and Overuse Injuries by Year, Gender, Sport, and Exposure Type

From: An epidemiologic comparison of acute and overuse injuries in high school sports

Variable

Acute Injuries

Overuse Injuries

Total Injuries

P-valueb

RIO Data

National Estimate

RIO Data

National Estimate

RIO Data

National Estimate

n

n (%a)

n

n (%a)

n

n (%a)

Total

48 585

16 039 385 (100.0)

3 700

1 395 261 (100.0)

52 285

17 434 646 (100.0)

 

Year

< 0.0001

  2006-07

4 154

1 286 717 (8.0)

385

139 393 (10.0)

4 539

1 426 111 (8.2)

 

  2007-08

4 323

1 276 352 (8.0)

343

111 132 (8.0)

4 666

1 387 484 (8.0)

 

  2008-09

3 848

1 105 534 (6.9)

287

109 887 (7.9)

4 135

1 215 421 (7.0)

 

  2009-10

3 386

1 229 912 (7.7)

235

108 970 (7.8)

3 621

1 338 883 (7.7)

 

  2010-11

3 271

1 110 073 (6.9)

230

89 924 (6.4)

3 501

1 199 997 (6.9)

 

  2011-12

3 552

1 307 022 (8.1)

243

103 851 (7.4)

3 795

1 410 873 (8.1)

 

  2012-13

3 925

1 332 860 (8.3)

220

79 594 (5.7)

4 145

1 412 454 (8.1)

 

  2013-14

3 899

1 359 033 (8.5)

271

94 574 (6.8)

4 170

1 453 607 (8.3)

 

  2014-15

3 557

1 162 379 (7.2)

207

69 853 (5.0)

3 764

1 232 232 (7.1)

 

  2015-16

3 876

1 305 912 (8.1)

336

120 217 (8.6)

4 212

1 426 129 (8.2)

 

  2016-17

3 190

1 085 989 (6.8)

234

95 192 (6.8)

3 424

1 181 180 (6.8)

 

  2017-18

3 850

1 266 419 (7.9)

374

139 610 (10.0)

4 224

1 406 028 (8.1)

 

  2018-19

3 754

1 211 182 (7.6)

335

133 063 (9.5)

4 089

1 344 245 (7.7)

 

Gender (all sports)

< 0.0001

  Male

36 548

11 192 580 (69.8)

2 239

780 359 (55.9)

38 787

11 972 939 (68.7)

 

  Female

12 037

4 846 805 (30.2)

1 461

614 902 (44.1)

13 498

5 461 707 (31.3)

 

Gender (comparable sports)c

0.325

  Male

9 266

3 461 432 (45.4)

996

398 349 (43.9)

10 262

3 859 781 (45.2)

 

  Female

9 781

4 166 279 (54.6)

1 142

508 419 (56.1)

10 923

4 674 699 (54.8)

 

Sport

< 0.0001

  Boys’ Football

23 584

6 748 875 (42.1)

1 051

331 029 (23.7)

24 635

7 079 904 (40.6)

 

  Boys’ Soccer

3 663

1 894 538 (11.8)

379

209 001 (15.0)

4 042

2 103 539 (12.1)

 

  Boys’ Basketball

3 912

1 025 551 (6.4)

267

77 135 (5.5)

4 179

1 102 685 (6.3)

 

  Boys’ Wrestling

3 835

1 011 042 (6.3)

192

49 484 (3.5)

4 027

1 060 527 (6.1)

 

  Boys’ Baseball

1 691

541 343 (3.4)

350

112 213 (8.0)

2 041

653 556 (3.7)

 

  Girls’ Soccer

4 456

2 497 513 (15.6)

452

270 186 (19.4)

4 908

2 767 699 (15.9)

 

  Girls’ Volleyball

2 119

651 757 (4.1)

319

107 979 (7.7)

2 438

759 736 (4.4)

 

  Girls’ Basketball

3 687

986 724 (6.2)

378

101 243 (7.3)

4 065

1 087 968 (6.2)

 

  Girls’ Softball

1 638

682 042 (4.3)

312

136 990 (9.8)

1 950

819 032 (4.7)

 

Exposure Typed

< 0.0001

  Competition

28 355

9 647 277 (60.2)

886

338 409 (24.3)

29 241

9 985 687 (57.3)

 

  Practice

20 219

6 390 158 (39.8)

2 814

1 056 852 (75.7)

23 033

7 447 010 (42.7)

 
  1. a Percentages may not equal 100.0 % due to rounding
  2. bP-values were based on Pearson chi-square comparing the frequencies of national estimates
  3. c Comparable sports are boys’ and girls’ soccer, boys’ and girls’ basketball, boys’ baseball and girls’ softball
  4. d Exposure types “Other” (n = 10) and “Performance” (n = 1) were excluded from p-value analysis