Research Article
Sonographic Indicators for Treatment Choice and Follow-Up in Patients with Pleural Effusion
Table 2
Success rate of thoracentesis regarding the type, echo structure, and size of effusions.
| | Unsuccessful | Successful | Total | Sign | Number | % | Number | % |
| Type of effusion | Loculated effusion | 18 | 9 | 185 | 91 | 203 | 0.710 | Free-flowing effusion | 3 | 6 | 47 | 94 | 50 | Total | | 21 | 8 | 232 | 92 | 253 | | | | Number | % | Number | % | Number | | Thoracentesis | Real-time US-guided thoracentesis | 1 | 1 | 79 | 99 | 80 | | Without real-time guidance | 20 | 12 | 153 | 88 | 173 | Total | | 21 | 8 | 232 | 92 | 253 | | | Number | % | Number | % | Number | | Echo structure | Complex septated | 11 | 10 | 104 | 90 | 115 | 0.126 | Complex nonseptated | 4 | 7.5 | 49 | 92.5 | 53 | Echogenic | 5 | 16 | 26 | 84 | 31 | Anechoic | 1 | 2 | 53 | 98 | 54 | | | Number | % | Number | % | Number | | Size of effusion | Small | 20 | 24 | 65 | 76 | 85 | | Medium | 1 | 2 | 111 | 98 | 112 | Large effusion | 0 | 0 | 56 | 100 | 56 |
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