Table 3.
Screening performance characteristics of Chest X-ray in detection of traumatic thoracic fractures
| Characteristics |
Type of fracture (95% confidence interval)
|
||
|---|---|---|---|
| Rib | Sternal | Vertebral | |
| Sensitivity | 98.9 (3.3-20.7) | 99.7 (98.4-100) | 100 (98.9-100) |
| Specificity | 57 (45.3-68.1) | 40 (5.2-85.3) | 22.7 (7.8-45.4) |
| PPV 1 | 88.9 (84.8-92.2) | 99.1 (97.5-99.8) | 95.1 (92.3-97.1) |
| NPV 2 | 93.8 (82.8-98.7) | 66.7 (9.4-99.2) | 100 (47.8-100) |
| PLR 3 | 2.3 (1.78-2.26) | 1.6 (0.8-3.4) | 1.29 (1.03-1.62) |
| NLR 4 | 0.019 (0.006-0.06) | 0.007 (0-0.06) | 0 (0-0) |
1
. Positive predictive value;
2
. Negative predictive value;
3
. Positive likelihood ratio;
4
. Negative likelihood ratio.