Medical Thoracoscopy for Diagnosing Unexplained Pleural Effusion: a National Multicenter Retrospective Study
This study is a national multicenter retrospective study. Patients with unexplained pleural effusion who underwent thoracoscopic or video-assisted thoracoscopic biopsy for patients in recent 10 years were retrospectively collected from multiple centers to understand the proportion and final etiological composition of pleural effusion in China.
- EligibilityCriteria: Inclusion Criteria:  Patients with unexplained pleural effusion who underwent thoracoscopic or video-assisted thoracoscopic biopsy  Exclusion Criteria:  Patients who cannot obtain a final diagnosis - HealthyVolunteers: No - Gender: All - MinimumAge: 18 Years - MaximumAge: 80 Years - StdAgeList: Adult, Older Adult - StudyPopulation: Patients with pleural effusion who underwent medical thoracoscopy were included in the study. Patients who could not obtain a final diagnosis were excluded from the study - SamplingMethod: Non-Probability Sample