Research Article

Sonographic Indicators for Treatment Choice and Follow-Up in Patients with Pleural Effusion

Table 4

US characteristics of surgically treated patients (open thoracotomy vs VATS).

Treatment optionDiaphragm function
FixedImpaired movementNormal movementTotal

Open thoracotomy15 (37.5%)24 (60%)1 (2.5%)40 (100%)
VATS0 (0.0%)4 (80%)1 (20%)5 (100%)
Total1528245

Echo structure
Treatment optionComplex septateComplex nonseptateEchogenicAnechoicTotal

Open thoracotomy17 (42.5%)13 (32.5)6 (15%)4 (10%)40 (100%)
VATS1 (20%)1 (20%)0 (0%)3 (60%)5 (100%)
18146745

Wall thickness
Treatment optionNMeanStandard error mean

Open thoracotomy407.25 ± 1.40.220
VATS55.4 ± 0.550.245