Table 1 Characteristics of studies included in meta-analysis.

From: Predictive assessment in pharmacogenetics of Glutathione S-transferases genes on efficacy of platinum-based chemotherapy in non-small cell lung cancer patients

Author

Year

Country

Ethnicity

Patients numbers

Age (year)

Smoking

Clinical stage

Evaluation criterion

Outcomes

Genotyping method

Genes

QS

L. Bu et al.19

2016

China

Asian

141

55.95 ± 7.83

65.96%

III-IV

RECIST

ORR/OS

PCR-RFLP

GSTP1

14

Jia W. et al.20

2016

China

Asian

265

57.50 ± 11.25

44.26%

IIIA, IIIB, IV.

RECIST

ORR/OS

PCR-RFLP

GSTP1, GSTM1, GSTT1

15

Chen J.B. et al.21

2016

China

Asian

284

63.60 ± 11.65

60.21%

IIIA, IIIB, IV.

RECIST

OS/PFS

DNA pyrosequencing

GSTP1, GSTM1, GSTT1

22

Xiao H.L. et al.22

2016

China

Asian

262

58.42 ± 8.50

64.12%

IIIA, IIIB, IV

RECIST

ORR/OS/MST

PCR-RFLP

GSTP1, GSTM1, GSTT1

18

Liu K. et al.23

2015

China

Asian

308

66.12 ± 10.32

62.98%

IIIA, IIIB, IV

RECIST

ORR/OS

PCR-RFLP

GSTP1, GSTM1, GSTT1

15

Zhao R. et al.24

2015

China

Asian

206

56.07 ± 8.85

65.53%

III-IV

RECIST

ORR/OS/MST

PCR-RFLP

GSTP1

18

Wu G. et al.25

2015

China

Asian

282

59.15 ± 10.50

68.44%

IIIA, IIIB, IV

RECIST

ORR/OS

PCR-RFLP

GSTP1, GSTM1, GSTT1

15

Liu J.Y. et al.26

2015

China

Asian

322

62.5 ± 9.5

43.48%

IIIB, IV

RECIST

ORR/OS

PCR-RFLP

GSTP1

16

Han B. et al.27

2015

China

Asian

325

57.6 ± 12.4

68.31%

IIIB, IV

RECIST

ORR/OS/MST

PCR-RFLP

GSTP1

19

Deng J.H. et al.16

2015

China

Asian

97

NR

40.20%

IIIB, IV

RECIST

ORR/DCR/PFS

DNA pyrosequencing

GSTP1

15

Yuan Z.J. et al.28

2015

China

Asian

47

NR

NR

III-IV

RECIST

ORR

Sanger sequencing

GSTP1

13

Li Q.Y. et al.57

2014

China

Asian

89

60.73 ± 10.857

NR

III-IV

RECIST

ORR

Direct sequencing

GSTP1, GSTM1

12

Lv H. et al.29

2014

China

Asian

91

59 (34–80)

NR

III-IV

WHO

ORR/Medium TTP

TaqMan-MGB

GSTP1

15

Ruano-Ravina A. et al.37

2014

Spain

Caucasian

132

66 (38–87)

NR

I-IV

NR

OS/MST

PCR-RFLP

GSTP1, GSTM1, GSTT1

14

Li W. et al.38

2012

China

Asian

217

58.98 (24–83)

55.80%

III-IV

NR

ORR/OS

PCR-RFLP

GSTM1

12

Ke H.G. et al.30

2012

China

Asian

460

55 (32–79)

67.30%

III-IV

NR

OS

PCR- CTPP

GSTP1

14

Zhang Y.P. et al.58

2012

China

Asian

62

58 (37–72)

NR

III-IV

RECIST

ORR

TaqMan PCR

GSTP1

15

Joerger M. et al.31

2012

Switzerland

Caucasian

146

59.7 (37–79)

83%

IIIB/IV

RECIST

ORR/OS/PFS

DNA sequencing

GSTP1, GSTM1

20

Zhou F. et al.59

2011

China

Asian

94

NR

NR

IIIB, IV

RECIST

ORR

Direct sequencing

GSTP1

12

Zhou Fei et al.14

2011

China

Asian

111

57 (42–71)

NR

IV

RECIST

TPP/ORR

DNA sequencing

GSTP1

16

Sun N. et al.33

2010

China

Asian

113

59.6 (34–84)

NR

IIIA–IV

WHO

ORR

Gene-chip

GSTP1

16

Ada A.O. et al.32

2010

Turkey

Caucasian

138

56 (34–75)

90.60%

III, IV

WHO

OS

PCR-RFLP

GSTP1, GSTM1, GSTT1

15

Yue Z. et al.60

2009

China

Asian

102

61 (27–78)

NR

III-IV

WHO

ORR

PCR-RFLP

GSTP1

13

Kalikaki A. et al.34

2009

Greece

Caucasian

119

61 (39–85)

NR

IIIA, IIIB, IV

RECIST

ORR/OS/MST

PCR-RFLP

GSTP1, GSTM1, GSTT1

17

Li W. et al.39

2008

China

Asian

141

56%

III-IV

RECIST

ORR

PCR-RFLP

GSTP1, GSTM1

11

Sreeja L. et al.49

2008

India

Caucasian

211

57.82 ± 11.74

68.20%

I-IV

NR

OS

Multiplex PCR

GSTP1, GSTM1, GSTT1

12

Mao Y. et al.61

2007

China

Asian

59

45 (18–65)

NR

IIIB, IV

NR

ORR

PCR-LDR

GSTP1, GSTM1

10

Gonlugur U. et al.62

2006

Turkey

Caucasian

81

60 (40–78)

88%

I-IV

NR

OS

PCR-RFLP

GSTM1, GSTT1

10

Booton R. et al.35

2006

United Kingdom

Caucasian

108

NR

NR

III-IV

RECIST

ORR/OS/MST

Direct sequencing

GSTP1

19

Lu C. et al.36

2006

USA

Caucasian

425

NR

89.60%

III, IV

RECIST

OS

PCR-RFLP

GSTP1

15

Sweeney C. et al.15

2003

USA

Caucasian

274

62 (28–74)

NR

III-IV

NR

OS

PCR-RFLP

GSTP1, GSTM1, GSTT1

12

  1. NR: not reported; QS, quality score; HR: hazard ratio; ORR: objective response rate; OS, overall survival (months); PFS, progression-free survival (months); MST, median survival time (months); TTP, time to progression (months); PCR, polymerase chain reaction; PCR-RFLP, PCR-restriction fragment length polymorphism; RECIST, Response Evaluation Criteria in Solid Tumors; WHO, World Health Organization; PCR-LDR, PCR-ligase detection reaction; PCR-CTPP, duplex PCR with the confronting-two-pair primer; Sequenome MS-based genotyping assay, sequenome mass spectrometry-based genotyping assay; PCR-CTTP, PCR with confronting two-pair primers.