FDG-PET in diagnosis, staging and prognosis of pancreatic carcinoma: A meta-analysis

Table 2 Characteristics of included studies for N staging

Ref.	Study design	Imaging method	Population	n (M/F)	Results
					TP	FP	FN	TN
Kauhanen et al[18]	P	PET	Histologically proved PC	8 (NR)	2	0	5	1
Nishiyama et al[19]	NR	PET	PC diagnosed by histology or follow-up	55 (NR)	14	1	6	34
Bares et al[20]	P	PET	Histologically proved PC	23 (NR)	10	2	3	8
Ruf et al[21]	R	PET	PC diagnosed by histology or follow-up	15 (9/6)	8	2	5	0

M: Male; F: Female; NR: Not report; R: Retrospective study; P: Prospective; PC: Pancreatic carcinoma; TP: True-positive; FP: False-positive; FN: False-negative; TN: True-negative; PET: Positron emission tomography.