[Retracted] Application of PET/CT in Preoperative Evaluation and Diagnosis of Gastric Cancer

Table 1

Comparison of sensitivity and specificity of different examination methods.

Examination methods \ course and stage	Sensitivity		Specificity
	Phase I/I-II	Phase II	Phase I/I-II	Phase II
Electronic gastroscope	78.6 ± 0.6	80.6 ± 0.5	79.3 ± 0.6	81.4 ± 0.6
ECT	92.3 ± 0.9	94.5 ± 0.8	93.6 ± 0.7	95.3 ± 0.6
PET-CT	96.9 ± 0.8	98.4 ± 0.7	97.1 ± 0.8	98.9 ± 0.8
Reference group synthesis	96.3 ± 0.9	97.6 ± 0.8	95.4 ± 0.7	97.1 ± 0.8
Observation group synthesis	98.2 ± 0.8	99.9 ± 1.0	98.7 ± 0.9	99.8 ± 1.2
Comprehensive evaluation t value	8.465	9.152	8.863	9.068
Comprehensive evaluation p value	0.004	0.007	0.005	0.006