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Table 1 Characteristics of studies included in this meta-analysis

From: Prognostic significance of p53 expression in patients with esophageal cancer: a meta-analysis

Study

Country

Type

Source

Cases

p53 positive rate (%)

IHC Cut off (nuclear positivity)

Madani K, 2010 [12]

Canada

EAC

esophagectomy

142

33.8

>10 %

Casson AG, 1998 [28]

Canada

ESCC/EAC

esophagectomy

61

39

>10 %

Rosa AR, 2003 [29]

Brazil

ESCC

esophagectomy

47

53.2

>10 %

Bahnassy AA, 2005 [30]

Egypt

ESCC/UC

esophagectomy

50

68

>10 %

Egashira A, 2011 [31]

Japan

ESCC

esophagectomy

94

56.4

>10 %

Chanvitan A, 1995 [32]

Canada

ESCC

esophagectomy

80

50

>10 %

Murata, A, 2013 [33]

Japan

ESCC

esophagectomy

266

52

weak-to-strong

Wang DY, 1994 [34]

China

ESCC

esophagectomy

100

65

>30 %

Kato H, 2001 [35]

Japan

ESCC

esophagectomy

89

55.1

>10 %

Flejou JF, 1994 [36]

France

EAC

esophagectomy

62

66

ND

Shimaya K, 1993 [37]

Japan

ESCC

esophagectomy

105

53

any nuclear positivity

Huang K, 2014 [38]

China

ESCC

esophagectomy

118

49.2

>10 %

Lam KY, 1999 [39]

China

ESCC

esophagectomy

153

64.1

>25 %

Chyczewski L, 1999 [40]

Poland

ESCC

esophagectomy

33

45

>10 %

Cavazzola LT, 2009 [41]

Brazil

EAC

esophagectomy

38

52.2

>10 %

Shang L, 2014 [42]

China

ESCC

esophagectomy

590

43

>10 %

Yasuda M, 2000 [27]

Japan

EC

esophagectomy

35

48.5

dark brown

Kuwahara M, 1999 [43]

Japan

EC

esophagectomy

64

48.4

>10 %

Nita ME, 1999 [44]

Brazil

ESCC

esophagectomy

62

50

>10 %

Ikeguchi M, 2000 [45]

Japan

ESCC

esophagectomy

191

44.5

>50 %

Furihata M, 1993 [46]

Japan

ESCC

esophagectomy

71

33.8

ND

Ahn MJ, 2002 [47]

Korea

ESCC/BSCC

esophagectomy

81

51.9

>10 %

Hashimoto N, 1999 [48]

Japan

ESCC

esophagectomy

73

64

>5 %

Makoto O, 2002 [49]

Japan

ESCC

esophagectomy

96

46

>10 %

Hsu PK, 2008 [50]

China

ESCC

esophagectomy

68

63.2

>25 %

Kanamoto A,1999 [51]

Japan

ESCC

esophagectomy

239

48.1

>10 %

Hardwick RH, 1997 [52]

UK

ESCC/EAC

esophagectomy

78

66.7

>10 %

Vijeyasingam R, 1994 [53]

England

ESCC/EAC

esophagectomy

60

68.3

>5 %

Inada S, 1999 [54]

Japan

ESCC

esophagectomy

40

52.5

>10 %

Nakamura T, 1995 [55]

Japan

ESCC

esophagectomy

61

52

ND

Cheng TH, 2009 [56]

China

ESCC

esophagectomy

119

51.3

>10 %

Yao W, 2014 [57]

China

ESCC

esophagectomy or endoscopy

136

41.9

weak-to-strong

Takeno S, 2002 [58]

Germany

ESCC

esophagectomy

71

36.6

>10 %

Xu XL, 2014 [59]

China

ESCC

esophagectomy

775

35.9

>10 %

Takahashi Y, 2006 [60]

Japan

ESCC

esophagectomy

180

61.7

>10 %

Goukon Y, 1994 [61]

Japan

ESCC

esophagectomy

49

59

any nuclear positivity

  1. UC undifferentiated carcinoma, BSCC basaloid squamous cell carcinoma, ND not documented