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

Table 4 Characteristics of included studies for prognosis

Ref.	Study design	Imaging method	Population	n (M/F)	Follow-up period	HR (95%CI)
Sperti et al[26]	R	PET	Histologically proved PC	60 (34/26)	NR	3.96 (1.92-8.17)
Maisey et al[27]	P	PET	Histologically proved PC	11 (7/4)	NR	3.4 (2.01-5.73)
Zimny et al[28]	NR	PET	Histologically proved PC	52 (33/19)	NR	2.27 (1.69-3.05)
Nakata et al[29]	NR	PET	Histologically proved PC	37 (21/16)	NR	0.93 (0.70, 1.25)1
						4.9 (1.19-20.2)2
Maemura et al[30]	NR	PET	PC diagnosed by histology or follow-up	24 (NR)	NR	2.1 (1.5-2.92)
Nakata et al[31]	NR	PET	Histologically proved PC	14 (NR)	6-17 mo	2.99 (2.25-3.97)

¹Patients received operation;

²Patients did not receive operation. M: Male; F: Female; NR: Not report; R: Retrospective study; P: Prospective; PC: Pancreatic carcinoma; PET: Positron emission tomography.