. 2017 Mar;6(2):110–118. doi: 10.21037/acs.2017.03.18

Table 2. Utility of EUS as compared with MIS staging in determination of N stage.

Studies	Number of patients	Histology	EUS^a
Studies	Number of patients	Histology	Accuracy (%)	Sensitivity (%)	Specificity (%)
Luketich et al., 1997 (18)	26	24 (92%) AC; 2 (8%) SCC	65	65	66
Luketich et al., 2000 (13)	53	46 (87%) AC; 7 (13%) SCC	62	62.5	60
Kaushik et al., 2007 (19)	47	45 (96%) AC; 2 (4%) SCC	90/72^b	--	--

AC, adenocarcinoma; EUS, endoscopic ultrasound; SCC, squamous cell carcinoma. ^a, Nodal status as determined by laparoscopy and/ or thoracoscopy was used to assess accuracy, sensitivity and specificity of EUS; ^b, 90% accuracy for nodal staging when used for FNA; 72% overall staging accuracy.