Table 2.
Screening performance characteristics of Chest X-ray in detection of traumatic intra-thoracic injuries
| Characteristics |
Type of injury (95% Confidence Interval)
|
||
|---|---|---|---|
| Pneumothorax | Hemothorax | Contusion | |
| Sensitivity | 45 (32.1-58.4) | 99 (97.2-99.8) | 98.9 (96.8-99.8) |
| Specificity | 98.6 (96.5-99.6) | 29.8 (17.3-44.9) | 7.59 (2.84-15.8) |
| PPV 1 | 89.8 (85.9-92.8) | 90.2 (86.5-93.1) | 88.8 (74.1-83) |
| NPV 2 | 87.1 (70.2-96.4) | 82.4 (56.6-96.2) | 66.7 (29.9-92.5) |
| PLR 3 | 1.7 (1.43-2.26) | 1.4 (1.17-1.7) | 1.07 (1-1.14) |
| NLR 4 | 0.03 (0.11-0.83) | 0.03 (0.009-0.11) | 0.14 (0.036-0.56) |
1
. Positive predictive value;
2
. Negative predictive value;
3
. Positive likelihood ratio;
4
. Negative likelihood ratio.