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. 2017 Dec;12(7):1011–1022. doi: 10.26603/ijspt20171011

Table 1.

Included Study demographics, measurement timing, and concussion definition

Concussed Participants Non-Concussed Participants
Study N (Gender) Mean Age (SD) Mass (SD) N (Gender) Mean Age (SD) years Mass (SD) kg Time(s) Measured Post Injury (D) Concussion Definition
Catena (2011) 10 (5M, 5F) 21.0 (3.1) 71.1 (10.5) 10 (5M,5F) 20.7 (4.1) 72.6 (10.5) 2, 6, 14, 28 AAN
Catena (2006) 14 (8M, 6F) 22.29 (4.46) 75.24 (15.36) 14(8M,6F) 22.29 (3.05) 75.07 (16.93) 2 AAN
Catena (2009) 30 (16M, 14F) 21.5 (3.3) 83.2 (24.7) 30 (16M,14F) 21.7 (3.1) 82.6 (23.9) 2 ,6, 14, 28 AAN
Howell (2014) 23 (20M, 3F) 15.4 (1.3) 73.0 (16.1) 23 (20M, 3F) 15.7 (1.3) 70.4 (12.7) 3, 7, 14, 1mo, 2mo ICSC3
Howell (2015) YA: 19 (9M, 10F) AD: 19 (17M, 2F) YA: 23 (2.4) AD: 15.1 (1.1) YA: 71.8 (15.4) AD: 74.2 (16.9) YA: 19 (9M, 10F) AD: 19 (17M, 2F) YA: 20.4 (2.1) AD: 15.6 (1.1) YA: 71.1 (11.1) AD: 68.8 (11.1) 3, 7, 14, 1mo, 2mo ICSC3
Howell (2013) 20 (18M, 2F) 15.3 (1.3) 74.8 (16.6) 20 (18M,2F) 15.6 (1.0) 70.7 (13.6) 3, 7, 14, 1mo, 2mo ICSC3
Parker (2006) 15 (9M, 6F) 20.6 (1.55) 91.0 (28.67) 15 (9M, 6F) 20.6 (1.8) 89.03 (30.03) 2, 5, 14, 28 AAN
Parker (2007) 29 (15M, 14W) 21.6 (3.26) 81.82 (24.16) 29 (15M, 14W) 21.38 (3.4) 83.31 (23.66) 2, 5, 14, 28 AAN
Parker (2005) 10 (4M, 6F) 20.2 (1.7) 84.20 (20.10) 10 (4M,6F) 19.9 (1.9) 83.40 (25.30) 2 AAN
Chen (2015) 15 (9M, 6F) 21.3 (3.3) 88.5 (18.2) 15 (9M, 6F) 21.2 (3.4) 84.8 (22.1) 2 AAN

NOTE: Mass is reported in kg, and age is reported in years.

SD = Standard deviation, D = days post injury, YA = Young Adult, AD = Adolescent, AAN = American Academy of Neurology, ICSC3 = 3rd International Consensus Statement on Concussion