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Table 1 Baseline characteristics of included studies

From: Predictive and prognostic role of tumour-infiltrating lymphocytes in breast cancer patients with different molecular subtypes: a meta-analysis

first author

year of publication

Country

Study design

Number (n)

Treatment type

sample time

TILs site

TIL evaluation method

curative resection

Endpoint measured

Follow up Median (range)(M)

Hwang, Hye Won [11]

2019

Korea

retrospective

308

NAC

pre-NAC/post-NAC

sTILs

HE

YES

pCR/DFS/BCSS

60.1

Ahn, S. G [12].

2018

Korea

retrospective

198

not NAC

resection tissue

sTILs

HE

NR

NO

NR

Yang, Xia [13]

2018

China

retrospective

143

NAC + H

pre-NAC/post-NAC

sTILs

HE

YES

pCR/DFS/OS

53 (12–102)

Herrero-Vicent, C [14].

2017

Spain

retrospective

164

NAC

pre-NAC/post-NAC

sTILs

HE

NR

pCR/DFS

78

Luen, S. J [15].

2019

Australia

retrospective

375

NAC

pre-NAC/post-NAC

sTILs

HE

NR

RFS/OS

72

Fujimoto, Yukie [16]

2019

Japan

retrospective

717

NAC/adjuvant

pre-NAC/post-NAC

iTILs+sTILs

HE

YES

DFS/OS

35.1 (1–100.6)

Adams, S [17].

2014

USA

RCT

481

adjuvant

resection tissue

iTILs+sTILs

HE

NR

DFS/OS/DRFI

127.2

Dieci, M. V [18].

2014

France/Italy

retrospective

278

NAC/adjuvant

post-NAC

iTILs+sTILs

HE

NR

MFS/OS

75.6

Perez, E. A [19].

2016

USA

RCT

945

adjuvant

resection tissue

sTILs

HE

NR

RFS

52.8

Dieci, M. V [20].

2015

France

RCT

781

adjuvant

resection tissue

iTILs+sTILs

HE

NR

OS/DFS

152.4

Loi, S [5].

2013

Belgium

RCT

2009

adjuvant

resection tissue

iTILs+sTILs

HE

NR

DFS/OS

96

Loi, S [21].

2014

Finnish

retrospective

934

adjuvant

resection tissue

sTILs

HE

NR

DDFS/OS

62

Yasmin Issa-Nummer [22]

2013

Germany

RCT

313

NAC

pre-NAC

iTILs+sTILs

HE

NR

pCR

NR

Denkert, C [4].

2010

Germany

RCT

1058

NAC

pre-NAC

iTILs+sTILs

HE

NR

pCR

NR

Denkert, C [23].

2015

Germany

RCT

580

NAC

pre-NAC

iTILs+sTILs

HE

NR

pCR

NR

Pruneri, G [24].

2016

Italy

RCT

647

adjuvant

resection tissue

sTILs

HE

NR

BCFI / DFS / DRFI / OS

82.8

Ingold Heppner, B [25].

2016

Germany

RCT

498

NAC

pre-NAC

sTILs

HE

NR

pCR / DFS

60.4 (59.5–61.3)

Denkert, C [26].

2018

Germany

RCT

3771

NAC

pre-NAC

sTILs

HE

NR

pCR / DFS / OS

62.8

Wang, Qiong [27]

2020

China

retrospective

75

NAC

pre-NAC/post-NAC

sTILs

HE/IHC

YES

pCR / DFS

23.2 (6.1–64.5)

Brodsky, Alexander S [28].

2016

USA

retrospective

50

NAC + H

pre-NAC

sTILs

HE

NR

pCR

127.2

Leon-Ferre, Roberto A [29].

2018

USA

retrospective

605

adjuvant

resection tissue

iTILs+sTILs

HE

YES

IDFS / OS

127.2

Salgado, Roberto [30]

2015

Australia

RCT

387

NAC + H/L

pre-NAC

sTILs

HE

NR

EFS/ pCR

45.2 (42–50.6)

Ignatiadis, Michail [31]

2019

Belgium

RCT

213

NAC

pre-NAC/post-NAC

sTILs

HE

NR

pCR / EFS

56.4

Mori, H [32].

2017

Japan

retrospective

248

adjuvant

resection tissue

sTILs

HE

YES

RFS / OS

68 (2–150)

Dieci, M. V [33].

2016

Italy

retrospective

105

NAC

pre-NAC/post-NAC

iTILs+sTILs

HE

YES

pCR / EFS

NR

Ruan, Miao [34]

2018

China

retrospective

166

NAC

pre-NAC

iTILs+sTILs

HE

YES

pCR

NR

O’Loughlin, Mark [35]

2018

Ireland

retrospective

75

NAC

pre-NAC

sTILs

HE

NR

pCR

NR

Ali, H. Raza [36]

2016

UK

RCT

614

NAC

pre-NAC/post-NAC

sTILs

HE

NR

pCR

NR

Song, I. H [37].

2017

Korea

retrospective

108

NAC

pre-NAC/post-NAC

sTILs

HE/IHC

YES

pCR/DFS

31.4 (21.1–53.0)

Li, X [38].

2016

USA

retrospective

129

NAC + H

pre-NAC

iTILs+sTILs

HE

YES

pCR

NR

Würfel, F [39].

2018

Germany

retrospective

146

NAC

pre-NAC

sTILs

HE

NR

pCR

NR

Hamy, A. S [40].

2019

France

retrospective

718

NAC ± H

pre-NAC/post-NAC

sTILs

HE

YES

pCR/DFS/OS

NR

Khoury, T [41].

2018

USA

retrospective

331

NAC

pre-NAC

iTILs+sTILs

HE

NR

pCR

NR