SCAT2 scores: gender differences
| Baseline scores | |||||
|---|---|---|---|---|---|
| Author, date, country, and N participants | Symptom score (SD) | BESS (SD) | SAC (SD) | SCAT2 (SD) | Symptom severity |
| High schoolers | |||||
| Glaviano, 2015, USA, females (n=166) | 20 (2.2); symptom severity 19.1 (3.8) | 27.2 (2.3) | 26.9 (2.0): 12-year-olds had the lowest % of correct responses for 4 digit (88%), 5 digit (27%), 6 digit (12%) and months backwards (69%) tasks compared to 18-year-old females 4 digit (100%), 5 digit (60%), 6 digit (20%) and months backwards (100%) | 92.2 (3.8) | 2.9 (3.8) |
| Glaviano, 2015, USA, males (n=195) | 20.6 (2.0); symptom severity 19.8 (3.9) | 26.6 (2.6) | 26.6 (2.2), 12-year olds had the lowest % of correct responses for 4 digit (85%), 5 digit (65%), 6 digit (31%) and months backwards (65%) tasks compared to 18-year-old males 4 digit (100%), 5 digit (82%), 6 digit (72%) and months backwards (82%) | 92.0 (3.7) | 2.2 (3.9) |
| Snyder, 2014, females (n=105) | 18.32 (4.69) | 25.57 (3.45) | 25.19 (3.04) | 86.97* (6.97) | 6.35 (9.25)* |
| Snyder, 2014, males (n=656) | 20.25 (2.82) | 25.07 (3.53) | 25.1 (2.78) | 88.36* (5.61) | 2.98 (5.79)* |
| Jinguji, 2012, females (n=59; 28 age 13–15, 31 age 16–19) | 13–15 years 20.89 (2.79); 16–19 years 18.59 (4.74) | 13–15 years 27.41 (2.14); 16–19 years 26.83 (3.00) | 13–15 years 26.07 (3.02); 16–19 years 26.67 (2.59) | 13–15 years 92.33 (4.29); 16–19 years 89.55 (6.47) | n/a |
| Jinguji, 2012, males (n=155; 83 age 13–15, 72 age 16–19) | 13–15 years 20.14 (2.43); 16–19 years 19.37 (3.38) | 13–15 years 25.25 (3.51); 16–19 years 25.65 (3.78) | 13–15 years 25.06 (2.50); 16–19 years 25.41 (3.69) | 13–15 years 88.37 (5.49); 16–19 years 88.28 (6.39) | n/a |
| Valovich McLeod, 2012, females (n=262) | 16.3 (5.8) | 27.3 (2.7) | 26.9 (2.3) | 88.7 (6.8)* | n/a |
| Valovich McLeod, 2012, males (n=872) | 16.7 (5.3) | 26.6 (2.9) | 26.4 (2.7) | 87.7 (6.8)* | n/a |
| Zimmer, 2015, females (n=144) | 20.09 (3.29) | 25.94 (3.90) | 27.63† (1.87) | 91.65 (5.58) | n/a |
| Zimmer, 2015, males (n=330) | 20.31 (2.87) | 25.49 (4.14) | 26.97† (2.05) | 90.83 (5.60) | n/a |
| Weighted averages | Females: 18.44 Males: 18.86 | Females: 26.75 Males: 25.89 | Females: 26.76 Males: 26.03 | Females: 90.10 Males: 88.79 | |
| Totals | 2945 (737f, 2208m) | ||||
| University | |||||
| Mrazik, 2013, Canada, females (n=41) | Baseline: 6.0 (5.9) After Leger 20 metre shuttle-run test: 7.5 (11.5) | n/a | n/a | n/a | n/a |
| Mrazik, 2013, Canada, males (n=84) | Baseline: 18.7 (4.1) After Leger 20 metre shuttle-run test: 12.5 (8.1) | n/a | n/a | n/a | n/a |
| Total all age groups | 3070 (778f, 2292m) | ||||
*p<0.001 (however, these average symptom severity scores are lower than in Snyder's table 1 (which does not present n's by gender for each age group, so that severity scores cannot be recomputed)).
BESS, Balance Error Scoring System; SAC, Standardised Assessment of Concussion; SCAT, Sport Concussion Assessment Tool.