Safety and Performance Characteristics of Outpatient Medical Thoracoscopy and Indwelling Pleural Catheter Insertion for Evaluation and Diagnosis of Pleural Disease at a Tertiary Center in Canada

Table 4

Performance characteristics of endoscopic findings related to malignancy, in 218 patients undergoing medical thoracoscopy for diagnostic purposes.

Endoscopy findings	Sensitivity; (95% CI)	Specificity; (95% CI)	PPV; (95% CI)	NPV; (95% CI)
Pleural nodules	76 (52.3–65.7)	91 (82.6–95.8)	92.5 (85.2–96.4)	72.3 (62.9–80.2)
Pleural thickening	55.8 (46.8–64.5)	37 (27.2–48)	56.3 (47.2–64.9)	36.7 (26.9–47.5)
Adhesions	36.4 (28.3–45.4)	46.1 (35.6–56.9)	49.5 (39.1–59.9)	33.3 (57.5–74.8)
Erythema	18.6 (12.5–26.6)	73 (62.4–81.6)	50 (35.4–64.5)	38.2 (31–46)
Calcified pleural plaques	3.9 (1.4–9.3)	93.3 (85.4–97.2)	45.5 (18.1–75.4)	40.1 (33.4–47.1)
Pleural plaques	6.2 (2.9–12.2)	94.4 (86.8–97.9)	61.5 (32.3–84.9)	41 (51.9–65.8)