Table 3

Diagnostic ability of CogSport for concussion diagnosis compared to individual baseline performance

Sensitivity
% (95% CI)
Specificity % (95% CI)Positive predictive value % (95% CI)Negative predicative value % (95% CI)Fisher exact P value
D47 (32 to 62)87 (73 to 95)78 (61 to 89)62 (55 to 69)0.001
I23 (11 to 38)96 (85 to 99)83 (54 to 96)56 (52 to 60)0.014
OCL25 (13 to 40)91 (78 to 97)73 (49 to 89)54 (49 to 59)0.087
OB20 (10 to 35)98 (88 to 100)90 (54 to 99)56 (52 to 60)0.007
2-component (D, I)49 (34 to 64)84 (71 to 94)76 (60 to 87)62 (55 to 69)0.001
3-component (D, I, OCL)64 (49 to 78)78 (63 to 89)74 (62 to 84)69 (59 to 77)<0.001
3-component (D, I, OB)56 (40 to 71)84 (71 to 94)78 (63 to 88)66 (57 to 73)<0.001
4-component (D, I, OCL, OB)67 (51 to 80)78 (63 to 89)75 (63 to 84)70 (60 to 78)<0.001
  • D, detection; I, identification; OB, One Back; OCL, one card learning.