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Table 1 Main characteristics of the included studies in the meta-analysis

From: Prognostic role of pretreatment blood lymphocyte count in patients with solid tumors: a systematic review and meta-analysis

First author

Year

Region

Disease site

Disease stage

Inclusion period

No. of patients

Age

Treatment

Analysis of survival

Cut off value (× 109/L)

Study design

Follow-up (months)

Outcome reported

NOS score

Yang [19]

2018

ChinaA

Hypopharyngeal cancer

Non metastatic

2009–2014

197

NR

Chemo + Resection

Univariate

1.7

Retrospective

30.95b

OS

8

Pang [20]

2018

ChinaA

Hepatocellular cancer

Non metastatic

2002–2016

470

52.2a

Resection

Univariate

0.7

Retrospective

29b

OS

7

Margetts [21]

2018

ChinaA

Hepatocellular cancer

Mixed

2007–2013

585

60b

Resection + Chemo

Multivariate

1.3

Retrospective

NR

OS

7

Liu [22]

2018

ChinaA

Nasopharyngeal cancer

Mixed

2007–2012

413

45b

Chemo

Univariate

1.315

Retrospective

NR

OS, PFS

6

Zhaoc [14]

2017

ChinaA

Advanced cancer

Mixed

2013–2015

378

64b

Palliative therapy

Multivariate

0.8

Retrospective

14.83b

OS

6

Zhaoc [14]

2017

ChinaA

Advanced cancer

Mixed

2013–2015

378

64b

Palliative therapy

Multivariate

1.1

Retrospective

14.83b

OS

6

Zhaoc [14]

2017

ChinaA

Advanced cancer

Mixed

2013–2015

378

64b

Palliative therapy

Multivariate

1.5

Retrospective

14.83b

OS

6

Zhao [14]

2017

ChinaA

Advanced cancer

Mixed

2013–2015

106

64b

Palliative therapy

Multivariate

0.8

Retrospective

16.97b

OS

6

He [15]

2017

ChinaA

Hepatocellular cancer

Non metastatic

2007–2015

216

53b

Chemo

Univariate

0.8

Retrospective

NR

OS

8

Bobdey [23]

2017

IndiaA

Oral cancer

Mixed

2007–2008

471

50a

Chemo

Univariate

1.98

Retrospective

22b

OS

6

Xu [24]

2017

ChinaA

Glioblastoma

Non metastatic

2010–2015

166

50b

Resection

Multivariate

1.9

Retrospective

14b

OS

7

Zhang [25]

2017

ChinaA

Gallbladder cancer

Mixed

2001–2013

98

63a

Resection

Univariate

2.06

Retrospective

NR

OS

8

Sorensen [26]

2017

DenmarkNA

MBDex

Metastatic

2003–2013

270

64b

Resection

Multivariate

1.37

Retrospective

8.82b

OS

6

Oh [27]

2017

KoreaA

Colorectal cancer

Mixed

2006–2011

261

65b

Resection

Univariate

1.83

Retrospective

78b

OS

7

Wu [7]

2016

AmericaNA

Cervical cancer

Non metastatic

1998–2013

71

49a

Chemo

Multivariate

1.0

Retrospective

30.4b

OS, PFS

8

Sun [28]

2016

ChinaA

Gastric cancer

Non metastatic

2000–2012

873

59b

Resection

Univariate

3

Retrospective

36b

OS, PFS

8

Sun [29]

2016

ChinaA

Nasopharyngeal cancer

Non metastatic

2008–2011

251

46b

Chemo

Multivariate

1.5

Retrospective

41b

OS,PFS

7

Kou [30]

2016

ChinaA

Esophagus cancer

Metastatic

2005–2013

215

58b

Chemo

Multivariate

1.0

Retrospective

120

OS

6

Joseph [9]

2016

UKNA

Bladder cancer

Non metastatic

2009–2014

131

68b

Chemo

Multivariate

1.5

Retrospective

17b

OS

8

Eo [31]

2016

KoreaA

Endometrial cancer

Non metastatic

2005–2014

255

44b

Resection

Univariate

1.526

Retrospective

51.3b

OS

7

d’Engremont [32]

2016

FranceNA

Pancreatic cancer

Non metastatic

2000–2010

390

NR

Resection

Multivariate

1.0

Retrospective

66.6b

OS

6

Deng [33]

2016

ChinaA

Gallbladder cancer

Mixed

2002–2012

315

NR

Resection

Multivariate

1.5

Retrospective

9b

OS

6

Cho [34]

2016

KoreaA

Lung cancer

Non metastatic

2001–2014

73

65a

Radiotherapy

Univariate

1.747

Retrospective

22b

OS, PFS

7

Cho [35]

2016

KoreaA

Cervical cancer

Mixed

2001–2012

124

57b

Chemoradiotherapy

Multivariate

1.5

Retrospective

63b

PFS

6

Berardi [36]

2016

ItalyNA

Lung cancer

Mixed

2009–2014

401

68a

Chemo

Univariate

1.5

Retrospective

80

OS, PFS

7

Zhou [50]

2016

ChinaA

Gastric cancer

Non metastatic

2006–2008

451

NR

Resection

Univariate

1.5

Retrospective

37.7b

OS

6

Wild [10]

2015

AmericaNA

Pancreatic cancer

Non metastatic

1997–2011

101

62b

Chemo

Univariate

1.0

Retrospective

10.1b

OS

6

Santoni [11]

2015

ItalyNA

Renal cancer

Mixed

2005–2014

151

64a

Chemo

Univariate

1.5

Retrospective

51.6b

OS, PFS

7

Rochet [12]

2015

AmericaNA

Stage III Melanoma

Non metastatic

2000–2010

153

59b

Resection

Multivariate

2.1

Retrospective

30b

OS

7

Rochet [12]

2015

AmericaNA

Stage IV Melanoma

Metastatic

2000–2010

74

56b

Resection

Multivariate

1.9

Retrospective

24b

OS

7

Mehrazin [37]

2015

AmericaNA

Renal cancer

Non metastatic

2000–2013

192

62a

Resection

Multivariate

1.3

Retrospective

38.7b

OS

6

Ku [38]

2015

UKNA

Urothelial cancer

Non metastatic

1999–2011

419

65.1b

Resection

Multivariate

1.0

Retrospective

37.7b

OS

7

Jin [39]

2014

ChinaA

Nasopharyngeal cancer

Metastatic

2006–2011

229

45b

Chemo

Multivariate

1.0

Retrospective

84

OS

7

Paikc [13]

2014

KoreaA

Colorectal cancer

Non metastatic

2006–2009

600

62.3a

Resection

Univariate

1.0

Retrospective

27,4b

OS

8

Paikc [13]

2014

KoreaA

Colorectal cancer

Non metastatic

2006–2009

600

62.3a

Resection

Univariate

3.0

Retrospective

27,4b

OS

8

Kumagai [40]

2014

JapanA

Lung cancer

Non metastatic

2007–2012

302

67b

Resection

Multivariate

1.4

Retrospective

33.4b

OS

7

DeGiorgi [41]

2014

ItalyNA

Renal cancer

Metastatic

2006–2011

181

NR

Chemo

Multivariate

1.0

Retrospective

NR

OS, PFS

7

Zhang [42]

2013

ChinaA

Lung cancer

Mixed

1999–2006

142

57.5a

Resection

Multivariate

1.8

Retrospective

NR

OS

7

Saroha [8]

2013

AmericaNA

Renal cancer

Non metastatic

1994–2008

430

60.2a

Resection

Multivariate

1.3

Retrospective

33.5b

OS

6

Manuel [43]

2012

FranceNA

Breast cancer

Metastatic

NR

66

NR

Chemo

Univariate

1.0

Retrospective

18.8b

OS

8

Manuel [43]

2012

FranceNA

Pancreatic cancer

Metastatic

NR

67

NR

Chemo

Univariate

1.0

Retrospective

14.3b

OS

8

Hec [44]

2012

ChinaA

Nasopharyngeal cancer

Non metastatic

2005–2007

1410

46.1a

Chemo

Multivariate

1.69

Retrospective

41b

OS, PFS

7

Hec [44]

2012

ChinaA

Nasopharyngeal cancer

Non metastatic

2005–2007

1410

46.1a

Chemo

Multivariate

2.06

Retrospective

41b

OS, PFS

7

Hec [44]

2012

ChinaA

Nasopharyngeal cancer

Non metastatic

2005–2007

1410

46.1a

Chemo

Multivariate

2.53

Retrospective

41b

OS, PFS

6

DeGiorgi [45]

2012

AmericaNA

Breast cancer

Metastatic

2004–2008

195

54b

Chemo

Multivariate

1.0

Retrospective

NR

OS, PFS

7

Ceze [46]

2011

FranceNA

Colorectal cancer

Non metastatic

1999–2007

260

64.8a

Chemo

Multivariate

1.0

Retrospective

15b

OS, PFS

6

Teramukaic [47]

2009

JapanA

Lung cancer

Mixed

2001–2005

388

65b

Chemo

Multivariate

1.082

Retrospective

18.9b

OS, PFS

7

Teramukaic [47]

2009

JapanA

Lung cancer

Mixed

2001–2005

388

65b

Chemo

Multivariate

1.386

Retrospective

18.9b

OS, PFS

7

Teramukaic [47]

2009

JapanA

Lung cancer

Mixed

2001–2005

388

65b

Chemo

Multivariate

1.821

Retrospective

18.9b

OS, PFS

7

Ray-Coquard [1]

2009

FranceNA

Breast cancer

Metastatic

NR

287

NR

Chemo

Multivariate

1.0

Retrospective

138

OS, PFS

8

Ray-Coquard [1]

2009

FranceNA

Soft tissue sarcoma

Metastatic

NR

193

NR

Chemo

Multivariate

1.0

Retrospective

90

OS, PFS

8

LeScodan [48]

2007

FranceNA

Brain metastases

Metastatic

1998–2003

132

54.9b

Chemo

Multivariate

0.7

Retrospective

25b

OS

7

Claude [49]

2005

FranceNA

Brain metastases

Metastatic

1991–2001

120

54b

Radiotherapy

Multivariate

0.7

Retrospective

67b

OS

7

  1. NR not report, OS overall survival, PFS progression free survival, MBDex metastatic bone disease in the extremities
  2. aMean; bmedian; cThe same patients sources in different cut-off values; AAsian; NANon-Asian