Comparing PET/MRI with PET/CT for Pretreatment Staging of Gastric Cancer

Table 3

Diagnostic results of PET/MRI versus; PET/CT according to the gold standard.

		Se (95% confidence)	Sp (95% confidence)	AUC (95% confidence)	Ac (%)
T1	PET/MRI	1.00 (0.46-1.00)	1.00 (0.81-1.00)	1.00 (0.87-1.00)	1.00
	PET/CT	0.60 (0.17-0.93)	0.95 (0.74-1.00)	0.78 (0.57-0.92)	0.88
T2	PET/MRI	0.50 (0.09-0.91)	0.95 (0.75-1.00)	0.73 (0.52-0.88)	0.88
	PET/CT	0.50 (0.09-0.91)	0.82 (0.59-0.94)	0.66 (0.45-0.83)	0.77
T3	PET/MRI	0.50 (0.17-0.83)	0.94 (0.71-1.00)	0.72 (0.51-0.88)	0.81
	PET/CT	0.25 (0.04-0.64)	0.89 (0.63-0.98)	0.57 (0.34-0.74)	0.69
T4	PET/MRI	1.00 (0.63-1.00)	0.75 (0.47-0.92)	0.88 (0.70-0.98)	0.81
	PET/CT	0.89 (0.51-0.99)	0.75 (0.47-0.92)	0.83 (0.63-0.94)	0.77
N0	PET/MRI	0.73 (0.39-0.93)	0.93 (0.66-1.00)	0.83 (0.63-0.95)	0.85
	PET/CT	0.73 (0.39-0.93)	0.73 (0.45-0.91)	0.73 (0.52-0.88)	0.73
N1	PET/MRI	0.25 (0.01-0.78)	1.00 (0.82-1.00)	0.63^a (0.52-0.81)	0.88
	PET/CT	0.25 (0.01-0.78)	0.82 (0.59-0.94)	0.53 (0.33-0.73)	0.73
N2	PET/MRI	0.20 (0.01-0.70)	0.76 (0.52-0.91)	0.52 (0.32-0.72)	0.65
	PET/CT	0.20 (0.01-0.70)	0.67 (0.43-0.85)	0.57 (0.36-0.76)	0.58
N3	PET/MRI	0.67 (0.24-0.94)	0.70 (0.46-0.87)	0.68 (0.47-0.85)	0.69
	PET/CT	0 (0-0.44)	0.95 (0.73-1.00)	0.53 (0.32-0.72)	0.73

^aThe value was 0.03 (PET/MRI vs. PET/CT).