Diagnostic ability of multi-detector spiral computed tomography for pathological lymph node metastasis of advanced gastric cancer

Table 2 Sensitivity and specificity of the diagnostic ability of multi-detector computed tomography in the retrospective and prospective stages based on the critical values

Critical values: 7.6 mm × 6.6 mm		Retrospective	Prospective
All locations
Long axis	Sensitivity	86.8	91.4
	Specificity	80.1	47.3
	AUC	0.706	0.849
Short axis	Sensitivity	80.8	88.9
	Specificity	72.9	52.1
	AUC	0.634	0.813
Group 1 (Nos.1-7)
Long axis	Sensitivity	89.6	97
	Specificity	80.4	49.7
	AUC	0.74	0.864
Short axis	Sensitivity	86.4	90.9
	Specificity	67.9	52.9
	AUC	0.686	0.826
Group 2 and 3 (Nos.8-16)
Long axis	Sensitivity	73.3
	Specificity	88.2
	AUC	0.638
Short axis	Sensitivity	80
	Specificity	73.5
	AUC	0.702