Values of different specimen preparation methods for the diagnosis of lung cancer by endobronchial ultrasound guided transbronchial needle aspiration

Table 2 Comparison of positive rates between three different treatment methods of specimens from different puncture sites

Variables	Number	% Total Positive	histopathology % Positive	TS % Positive	LBC % Positive	P Value
ALL	154	77.3(119)	68.8(106)	65.6(101)	60.4(93)	0.29^a, 0.01^b
Anatomic site
Trachea mediastinal
lymph nodes
(2R + 4R + 4 L)	66	87.9(58)	78.8(52)	75.8(50)	71.2(47)	0.60^a, 0.11^b
7 group	55	72.7(40)	65.5(36)	60.0(33)	54.5(30)	0.51^a, 0.23^b
Hilar lymph node
(10R,L + 11R,L + 12R)	19	42.1(8)	31.6(6)	31.6 (6)	26.3(5)	0.92^a, 0.77^b
Mass	14	92.9(13)	85.7(12)	85.7(12)	78.6(11)	0.84^a, 0.75^b

TS Traditional smears, LBC liquid-based cytology
^a: Comparison of positive rates among three single pathological treatment type
^b: Comparison of positive rates between combination of the three treatment types and any single pathological treatment type

ISSN: 1471-2466