Table 1.
Study characteristics for the included studies
|
Autor (year-country) |
Total number of patients |
Median age (range) |
Male: Female |
Adequacy of antibody methods |
Blinding of Cdx2 evaluation |
||
|---|---|---|---|---|---|---|---|
| Cdx2 positive | Cdx2 negative | Cdx2 positive | Cdx2 negative | ||||
| Ge [34] |
59 |
107 |
52.2 |
37:22 |
51:56 |
Yes |
Yes |
| (2008-china) |
|
|
(32–72) |
|
|
|
|
| Okayama [14] |
55 |
80 |
63.4 |
46:9 |
45:35 |
Yes |
Yes |
| (2009-Japan) |
|
|
(31–87) |
|
|
|
|
| Kim [5] |
150 |
109 |
57.8 |
114:36 |
61:48 |
Yes |
Yes |
| (2006- Korea) |
|
|
|
|
|
|
|
| Roessler [15] |
109 |
81 |
61.1 |
57:52 |
33:48 |
Yes |
Yes |
| (2005-Germany) |
|
|
|
|
|
|
|
| Fan [16] |
40 |
69 |
59 |
33:7 |
42:27 |
Yes |
Yes |
| (2005-china) |
|
|
(29–82) |
|
|
|
|
| Bai [17] |
36 |
55 |
62.78 |
28:8 |
43:12 |
Yes |
Yes |
| (2007-china) |
|
|
(19–87) |
|
|
|
|
| Zhang [27] |
57 |
52 |
62.43 |
Unclear |
Unclear |
Yes |
Yes |
| (2009-Japan) |
|
|
|
|
|
|
|
| Zhou [28] |
49 |
81 |
52 |
40:9 |
49:32 |
Yes |
Unclear |
| (2006-china) |
|
|
(34–73) |
|
|
|
|
| Hu [29] |
27 |
25 |
57 |
Unclear |
Unclear |
Yes |
Unclear |
| (2009-china) |
|
|
(35–78) |
|
|
|
|
| Liu [30] |
25 |
25 |
53.2 |
20:5 |
18:7 |
Yes |
Yes |
| (2007-China) |
|
|
(38–74) |
|
|
|
|
| Oz [26] |
37 |
33 |
64.62 |
Unclear |
Unclear |
Yes |
Yes |
| (2011-Turkey) |
|
|
(26–80) |
|
|
|
|
| Qin [12] |
41 |
44 |
61.75 |
30:11 |
30:14 |
Yes |
Yes |
| (2012-China) |
|
|
(20–87) |
|
|
|
|
| Chu [31] |
30 |
37 |
61 |
23:7 |
26:11 |
Yes |
Yes |
| (2011-china) | (35–87) | ||||||