Table 7 Assessment of pleura by US in comparison to CT
| Â | CT finding | US positive | US negative | Total | P value |
|---|---|---|---|---|---|
Unilateral effusion | CT positive | 27 | 0 | 27 | 1 NS |
CT negative | 0 | 33 | 33 | ||
Total | 27 | 33 | 60 | ||
Bilateral effusion | CT positive | 4 | 0 | 4 | 1 NS |
CT negative | 0 | 56 | 56 | ||
Total | 4 | 56 | 60 | ||
Pleural thickening | CT positive | 16 | 0 | 16 | 0.688 NS |
CT negative | 3 | 41 | 44 | ||
Total | 19 | 41 | 50 | ||
Pleural nodules | CT positive | 5 | 0 | Â | 0.762 NS |
CT negative | 2 | 53 | 55 | ||
Total | 7 | 53 | 60 | ||
Pleural mass | CT positive | 3 | 0 | 3 | 1 NS |
CT negative | 0 | 57 | 57 | ||
Total | 3 | 57 | 60 |