Endobronchial ultrasound guided Echo Tip Ultra HD 22G needle versus Echo Tip Pro Core HD 22G needle in diagnosis of mediastinal lesions

The Egyptian Journal of Bronchology

Table 4 Sensitivity, specificity, predictive value, and diagnostic accuracy of both needles in non-malignant cases

In non-malignant cases		Final diagnosis		Total
In non-malignant cases		True +ve	True −ve	Total
Echo Tip Ultra HD needle	+ve	4	0	4
Echo Tip Ultra HD needle	–ve	9	1	10
Total		13	1	14
Echo Tip ProCore HD needle	+ve	4	0	4
Echo Tip ProCore HD needle	−ve	9	1	10
Total		13	1	14
In non-malignant cases		Echo Tip Ultra HD needle diagnosis		Total
In non-malignant cases		Yes	No	Total
Echo Tip ProCore HD needle diagnosis	+ve	3	2	5
Echo Tip ProCore HD needle diagnosis	−ve	2	7	9
Total		5	9	14
p value		0.9102

Echo Tip Ultra HD and Echo Tip ProCore HD needles: sensitivity (%), 30.76%; specificity (%), 100%; positive predictive value (PV⁺) (%), 100%; negative predictive value (PV⁻) (%), 10%; false negative rate (%), 69.23%; diagnostic accuracy (%), 35.71%