|
Reference
|
Source of controls
|
Geographical locations
|
Histopathology type
|
Case number
|
Control number
|
Case
|
Control
|
HWE
|
|---|
| | | | | | |
TT
|
CT
|
CC
|
TT
|
CT
|
CC
|
χ
2
|
P
|
|---|
|
Wu 2002 [16]
|
HB
|
Taiwan
|
ESCC
|
146
|
344
|
60
|
65
|
21
|
136
|
146
|
62
|
4.16
|
0.041
|
|
Li 2002 [17]
|
HB
|
Shaxi
|
NS
|
73
|
75
|
20
|
30
|
23
|
37
|
25
|
13
|
4.96
|
0.026
|
|
Yin 2005 [18]
|
HB
|
Jiangsu
|
ESCC
|
106
|
106
|
42
|
54
|
10
|
41
|
49
|
16
|
0.05
|
0.829
|
|
Zhu 2005 [19]
|
HB
|
Shaxi
|
ESCC + EAC
|
163
|
166
|
43
|
75
|
45
|
75
|
67
|
24
|
1.96
|
0.162
|
|
Han 2005 [20]
|
HB
|
Shaxi
|
ESCC
|
89
|
98
|
25
|
39
|
25
|
47
|
38
|
13
|
1.37
|
0.241
|
|
Lu 2006 [21]
|
PB
|
Xinjiang
|
ESCC
|
64
|
116
|
23
|
28
|
13
|
44
|
56
|
16
|
0.07
|
0.786
|
|
Yin 2010 [22]
|
HB
|
Xinjiang
|
NS
|
96
|
174
|
16
|
45
|
35
|
17
|
88
|
69
|
2.13
|
0.144
|
|
Ji 2010 [23]
|
PB
|
Gansu
|
ESCC
|
189
|
216
|
49
|
95
|
45
|
70
|
98
|
48
|
1.49
|
0.222
|
|
Gao 2012 [24]
|
PB
|
Ningxia
|
ESCC
|
40
|
80
|
15
|
17
|
8
|
28
|
41
|
11
|
0.43
|
0.511
|
|
Huang 2012 [25]
|
PB
|
Guangxi
|
ESCC
|
98
|
100
|
38
|
41
|
19
|
40
|
43
|
17
|
0.85
|
0.358
|
|
Zhang 2013 [26]
|
PB
|
Shandong
|
ESCC
|
138
|
170
|
34
|
78
|
26
|
59
|
83
|
28
|
0.02
|
0.896
|
|
Yun 2014 [27]
|
PB
|
Henan
|
ESCC
|
157
|
157
|
73
|
72
|
12
|
95
|
50
|
12
|
2.11
|
0.146
|
|
Zhang 2011 [28]
|
PB
|
Henan
|
ESCC + EAC
|
160
|
160
|
97
|
63
|
128
|
32
|
-
|
- PB population-based, HB hospital-based, ESCC esophageal squamous cell carcinoma, EAC esophageal adenocarcinoma, NS not stated.
