Can Preoperative Examination Help Choose the Best Surgical Procedure in Gastric Cancer?

Table 6

Diagnostic value of tumor size and serum CEA when CT examination was positive.

Group	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Accuracy (%)
Tumor size	48.4	65.1	72.8	39.4	54.05
CEA	35.8	82.5	79.6	40.3	51.91
Tumor size and CEA	69.2	52.4	73.5	47.1	63.39