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Table 6 Quality assessment of included studies

From: Imaging in assessing hepatic and peritoneal metastases of gastric cancer: a systematic review

Imaging

modality

Study

(year, reference)

Criteria of quality assessment

  

1

2

3

4

5

6

7

8

9

10

11

12

13

14

TS

US and CT

Kim 1997 [21]

+

+

+

+

+

+

+

+/-

+/-

+/-

+/-

+/-

+/-

+

22

US and CT

Stell 1996 [22]

+

+

+

+/-

+

+

+

+/-

+/-

+

+/-

+/-

+/-

+

22

US and CT

Asencio 1997 [23]

+

+

+

+/-

+

+

+

-

+/-

+/-

+/-

+/-

+/-

-

18

US

Possik 1986 [24]

+

+

+

+/-

-

+

+

-

+/-

+/-

+/-

+/-

+/-

-

16

US

Derchi 1983 [25]

+

+

+

+/-

-

-

+

+

+/-

+

+/-

+/-

+/-

+

19

US

Liao 2004 [26]

+

-

+

+/-

-

-

+

+

+/-

+/-

+/-

+/-

+/-

-

14

US, EUS and CT

Ozmen 2003 [27]

+

+

+

+/-

-

-

+

-

-

+

+

+/-

+/-

+

17

CT

Nozoe 1999 [28]

-

+

+

+/-

-

-

+

+/-

+/-

+/-

+/-

+/-

+/-

+

15

US and CT

Kayaalp 2002 [29]

+

-

+

+/-

+/-

-

+

+/-

+/-

+/-

+/-

+/-

+/-

+

16

EUS

Chu 2004 [30]

+

+

+

+

+

+

+

+

+/-

+

+

+/-

+/-

+

25

EUS

Tio 1990 [31]

-

+/-

+

+

+

-

+

+

+/-

+

+/-

+/-

+/-

+

19

EUS

Chen 2002 [32]

+/-

+/-

+

+

-

-

+

+

+/-

+/-

+/-

+/-

+/-

+

17

EUS

Lee 2005 [33]

+

-

+/-

-

-

+

+/-

+

+/-

+

+

+/-

+/-

+

17

CT and PET

Lim 2006 [34]

+

-

+

+/-

-

-

+

+

+

+/-

+/-

+/-

+/-

+

17

PET

Yoshioka 2003 [35]

+/-

-

+/-

+/-

+/-

+/-

+

+

+/-

+

+/-

+/-

+/-

+

17

CT and PET

Chen 2005 [36]

+

+/-

+

+/-

+/-

+/-

+

+

+

+

+/-

+/-

+/-

+

21

MRI

Tang 2006 [37]

-

+/-

+

+

+/-

+/-

+

+

+/-

+

+/-

+/-

+/-

+

19

MRI

Li 2007 [38]

-

+/-

+

+

+/-

+/-

+

+

+/-

+

+/-

+/-

+/-

-

15

CT

Chamadol 2008 [39]

+/-

+/-

+

-

-

-

+

+

+/-

+

+/-

+

+/-

+

17

CT

Yajima 2006 [40]

-

+/-

+

+/-

-

+/-

+

+

+/-

+

+/-

+/-

+/-

+

17

CT and PET

Yun 2005 [41]

+

+/-

+

+/-

-

-

+/-

+/-

+/-

+

+

+/-

+/-

+

17

PET

Yeung 1998 [42]

+/-

+/-

+

+/-

-

-

+

+

+/-

+/-

+/-

+/-

+/-

+

16

CT

Kim 2005 [43]

+/-

+/-

+

+

-

-

+

+

+/-

+

+/-

+/-

+/-

+

18

CT

D'Elia 2000 [44]

+/-

+/-

+

+/-

-

-

+

+

+/-

+/-

+/-

+/-

+/-

+

16

CT

Adachi 1997 [45]

-

+/-

+

+/-

+

+/-

+

+/-

+/-

+/-

+/-

+/-

+/-

+

17

CT

Shinohara 2005 [46]

-

+/-

+

+

+

+

+

+

+/-

+

+/-

+/-

+/-

+

21

CT

Davies 1997 [47]

+/-

+/-

+

+

+

+

+

+

+

+

+/-

+/-

+/-

+

23

CT

Yan 2007 [48]

+

-

+

+

-

-

+

+/-

+/-

+

+/-

+/-

+/-

+

17

CT

Roic 1994 [49]

+/-

-

+

+/-

-

+

+

+/-

+/-

+/-

+/-

+/-

+/-

-

14

CT

Gamón 2002 [50]

+/-

-

+

+

+/-

+/-

+

+

+/-

+/-

+/-

+/-

+/-

+

18

CT

Zhang 2002 [51]

+

-

+

+/-

+/-

+/-

+

+

+/-

+/-

+/-

+/-

+/-

+

18

CT

Yan 2010 [52]

+

+/-

+

+

+

+

+

+

+/-

+

+/-

+/-

+/-

+

23

CT

Pan 2010 [53]

+

+/-

+

+/-

+

+

+

+/-

+/-

+/-

+/-

+/-

+/-

+

20

  1. TS: total score.