Table 1 Characteristics of studies included in this meta-analysis

From: Prognostic value of serum cytokeratin 19 fragments (Cyfra 21-1) in patients with non-small cell lung cancer

Author

Year

Country

Ethnicity

Surgery

Chemotherapy

TNM

Design

N

Follow-up(month)

Biomarkers

Method

Cutoff

High/low

HR-E

AHR

ALL

AUL

Lin

2012

China

Asian

Yes

PB/A

IB-IIIA

R

169

53(3–66)

OS

ECLIA

3.30

63/106

HR

1.70

1.19

2.44

Tanaka

2013

Japan

Asian

NA

TKI/M

IIIB/IV

R

160

32.5(23.3–44.6)

PFS/OS

ECLIA

2.00

83/77

HR

1.10

0.85

1.41

Park

2013

Korea

Asian

Yes

NA

I–III

R

298

43.3(0.5–95.6)

PFS/OS

ECLIA

1.95

114/184

HR

1.10

1.01

1.20

Trapé

2012

Spain

Caucasion

No

PB/M

IIIA–IV

P

137

NA

OS

ECLIA

3.30

91/46

HR

2.21

1.40

2.83

Edelman

2012

USA

Mixed

NA

PB/NA

IIIB/IV

P

88

NA

PFS/OS

ECLIA

4.18

NA

SC

1.68

1.33

2.11

Jung

2011

Korea

Asian

NA

TKI/M

IIIB/IV

R

123

NA

PFS/OS

ECLIA

3.30

64/59

HR

2.76

1.38

5.53

Cedrés

2011

Spain

Caucasion

NA

NA

III–IV

R

183

9.7(1–126)

PFS/OS

IRMA

3.30

119/64

SC

1.52

1.06

2.20

Hanagiri

2011

Japan

Asian

Yes

PB/A

I

R

341

42

OS

IRMA

2.00

145/196

HR

2.57

1.21

5.44

Ma

2011

China

Asian

NA

NA

I

R

153

26(2–121)

OS

ECLIA

3.30

41/112

HR

9.81

1.64

58.67

Jin

2010

China

Asian

No

PB/NA

IIIB/IV

R

111

NA

OS

ELISA

3.50

47/64

HR

1.68

1.05

2.69

Takahashi

2010

Japan

Asian

NA

NA

I–IV

R

1202

NA

OS

CLEIA

18.00

NA

HR

2.02

1.14

3.58

Petris

2011

Sweden

Caucasion

NA

NA

I–IV

NA

174

NA

OS

ELISA

6.00

NA

HR

0.80

0.73

1.32

Tomita

2010

Japan

Asian

Yes

NA

I–III

R

291

60.7–141.7

OS

NA

2.40

58/233

HR

1.57

1.29

1.89

Nisman

2009

Israel

Asian

No

NA

IIIA–IV

P

88

NA

OS

ELISA

3.20

60/28

RR

1.80

1.10

2.80

Chen

2010

China

Asian

No

TKI/M

III–IV

R

122

NA

OS

ELISA

3.30

49/73

HR

1.78

1.19

2.65

Chakra

2008

France

Caucasion

NA

NA

I–IV

P

451

NA

OS

IRMA

3.60

224/227

HR

1.50

1.20

1.86

Jacot

2008

France

Caucasion

NA

NA

I–IV

P

289

20.8(2.5–34.1)

OS

IRMA

3.60

92/197

HR

2.30

1.52

3.49

Ishikawa

2008

Japan

Asian

NA

TKI/M

IIIB/IV

R

65

8.3(1.1–37.9)

PFS/OS

ECLIA

2.80

48/17

HR

1.97

0.91

4.27

Nisman

2008

Israel

Asian

No

PB/Mix

IIIA–IV

P

60

NA

OS

ELISA

3.20

43/37

RR

0.50

0.30

0.90

Hisashi

2007

Japan

Asian

Yes

NA

I–IV

R

101

73

OS

CLEIA

3.50

6/95

RR

9.79

2.24

42.80

Matsuoka

2007

Japan

Asian

Yes

NA

I

R

256

35.5(3.7–75.5)

OS

ELISA

2.80

35/221

SC

2.92

2.25

6.84

Mizuguchi

2007

Japan

Asian

Yes

NA

I–IV

R

272

NA

OS

CLEIA

2.00

149/123

HR

2.42

1.99

2.86

Barle'si

2005

France

Caucasion

NA

TKI/NA

IIIB/IV

P

51

NA

OS

ELISA

3.50

13/38

HR

2.45

1.13

5.29

Muley

2004

Germany

Caucasion

Yes

NA

I

R

153

NA

OS

ELISA

3.30

NA

HR

2.16

1.08

4.29

Barlesi

2004

France

Caucasion

No

PB/M

IIIB/IV

P

264

9(1–77)

OS

ELISA

3.50

138/126

HR

1.30

1.06

1.78

Trapé

2003

Spain

Caucasion

No

PB/NA

IIIA–IV

P

48

NA

OS

ECLIA

3.60

NA

HR

1.75

0.93

3.65

Kulpa

2002

Poland

Caucasion

NA

NA

I–IV

NA

200

NA

OS

ECLIA

3.60

127/73

HR

1.31

0.92

1.87

Reinmuth

2002

Germany

Caucasion

Yes

NA

I–IIIA

P

66

42(NA-86)

OS

ELISA

3.57

23/43

SC

2.80

0.98

7.99

Ono

2013

Japan

Asian

No

NA

IIIB/IV

R

284

NA

OS

CLEIA

2.20

134/150

HR

0.43

0.31

0.59

Ondrej F

2014

Czech

Caucasion

NA

TKI/M

IIIB/IV

R

144

NA

OS/PFS

ELISA

2.50

83/61

HR

2.17

1.48

3.19

Monik

2014

NA

Gaussian

Yes

None

I–IV

P

50

72.5(4–108)

OS

ELISA

2.10

0.45

SC

1.00

0.45

2.21

  1. HR-E: HR Estimate; R: retrospective; P: prospective; NA: not available; PB/A: Platinum-based/adjuvant chemotherapy; PB/M: Platinum-based/metastatic chemotherapy; PB/mix: Platinum-based/adjuvant chemotherapy and metastatic chemotherapy; TKI/M: TKI/metastatic chemotherapy; TKI/Mix: TKI/adjuvant and metastatic chemotherapy; SC: survival curve; AHR: adjusted hazard ratio; ALL: adjusted lower limit; AUL: adjusted upper limit; ECLIA: electrochemiluminescence immunoassay; ELISA: enzyme-linked immunosorbent assay; CLEIA: chemiluminescent enzyme immunoassay; IRMA: immunoradiometric assay.