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Table 1 Primary characteristics of studies included in this meta-analysis

From: Prognostic value of pretreatment standardized uptake value of F-18-fluorodeoxyglucose PET in patients with gastric cancer: a meta-analysis

Study & author

Country

N Pts

FDG Avidity

Age

TNM Stage

Treatment

Endpoint

Type of SUV

SUV threshold definition

Threshold value

QS

Stahl 2003 [4]

Germany

40

60%

55 ± 10

T3-T4

Operation chemotherapy

OS

SUVmean

median value

4.6

57.90%

Mochiki 2004 [14]

Japan

85

75.20%

36–85

T1-T4

I–III

Operation

OS

SUVmean

median value

4

71.00%

Chung 2010 [23]

Korea

35

100%

57 ± 13

IV

Chemotherapy

OS

SUVmax

mean value

8

71.00%

Park 2012 [16]

Korea

82

100%

58.6 ± 12

I–IV

Inoperative palliative chemotherapy

OS and PFS

SUVmax

ROC

6

71.00%

Lee 2012 [15]

Korea

271

54.98%

60 ± 12

I–III

Operation

RFS

SUVmax

ROC

8.2

73.70%

Kim 2014 [24]

Korea

97

51.54%

59.8 ± 13.2

Ia-IV

Operation chemotherapy

PFS

SUVmax

ROC

5.74

71.00%

Lee 2015 [12]

Korea.

279

80%

20–93

pT2-pT4

pN0-pN4

IB–III

Operation

OS and RFS

TLR

ROC

2

65.80%

Song 2015 [26]

Korea

151

81%

58 ± 12.4

I–III

Operation

OS and RFS

SUVmax

ROC

4.5

71.00%

  1. Abbreviations: N pts. number of patients, OS overall survival, PFS progression-free survival, RFS recurrence-free survival, ROC receiver-operating curve, QS quality scale, TLR the SUV of tumor/the SUV of normal liver tissue