Diagnostic ability of CogSport for concussion diagnosis compared to CogSport normative values
| Sensitivity % (95% CI) | Specificity % (95% CI) | Positive predictive value % (95% CI) | Negative predicative value % (95% CI) | Fisher exact P value | |
| D | 27 (15 to 42) | 98 (88 to 100) | 92 (62 to 99) | 57 (53 to 62) | 0.002 |
| I | 18 (8 to 33) | 98 (88 to 100) | 89 (51 to 98) | 55 (51 to 59) | 0.015 |
| OCL | 0 (0 to 8) | 100 (92 to 100) | N/A | 49 (49 to 49) | N/A |
| OB | 11 (4 to 25) | 100 (92 to 100) | 100 | 54 (51 to 56) | 0.026 |
| 2-component (D, I) | 31 (18 to 47) | 96 (85 to 99) | 88 (63 to 97) | 58 (53 to 63) | 0.002 |
| 3-component (D, I, OCL) | 31 (18 to 47) | 96 (85 to 99) | 88 (63 to 97) | 58 (53 to 63) | 0.002 |
| 3-component (D, I, OB) | 33 (20 to 49) | 96 (85 to 99) | 88 (65 to 97) | 59 (54 to 64) | <0.001 |
| 4-component (D, I, OCL, OB) | 33 (20 to 49) | 96 (85 to 99) | 88 (65 to 97) | 59 (54 to 64) | <0.001 |
D, detection; I, identification; NA, not available; OB, one back; OCL, one card learning.