Study sample |
|
ciTBI | 18 | 7 | 1 | 26 | 17 | 8 | 1 | 26 |
|
No ciTBI | 16 | 88 | 71 | 175 | 8 | 93 | 74 | 175 |
|
Total | 34 | 95 | 72 | 201 | 25 | 101 | 75 | 201 |
|
Sensitivity (95% CI), % | 96 (81–99) | 96 (81–99) |
|
Specificity (95% CI), % | 41 (33–48) | 42 (35–50) |
|
Positive predictive value (95% CI), % | 19 (17–22) | 19 (17–22) |
|
Negative predictive value (95% CI), % | 99 (91–100) | 99 (91–100) |
|
Positive likelihood ratio (95% CI) | 1.6 (1.4–1.9) | 1.6 (1.4–1.9) |
|
Negative likelihood ratio (95% CI) | 0.09 (0.01–0.65) | 0.09 (0.01–0.65) |
|
All population |
|
ciTBI (% of risk category) | 18 (0.33) | 7 (0.01) | 1 (0.0007) | 26 | 17 (0.37) | 8 (0.01) | 1 (0.0007) | 26 |
|
No ciTBI | 37 | 746 | 1449 | 2232 | 29 | 834 | 1369 | 2232 |
|
Total | 55 | 753 | 1450 | 2258 | 46 | 842 | 1370 | 2258 |
|
Sensitivity (95% CI), % | 96 (80–100) | 96 (80–100) |
|
Specificity (95% CI), % | 65 (63–67) | 61 (59–63) |
|
Positive predictive value (95% CI), % | 3.0 (2.7–3.3) | 2.8 (2.3–3.3) |
|
Negative predictive value (95% CI), % | 99.9 (9.59–99.9) | 99.9 (9.59–99.9) |
|
Positive likelihood ratio (95% CI) | 2.7 (2.4–3.0) | 2.5 (2.3–2.7) |
|
Negative likelihood ratio (95% CI) | 0.06 (0.01–0.40) | 0.06 (0.1–0.4) |