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Table 1 Characteristics of studies selected in the meta-analysis

From: The prognostic impact of tet oncogene family member 2 mutations in patients with acute myeloid leukemia: a systematic-review and meta-analysis

Study

Year

NOS

Journal

Region

Total number

TET2m

Median age

Detecting method

Data type

Therapy regimen

Cohort type

Wahab

2009

7

Blood

America

91

11

65

Unknown

Calculated from K-M curves

Unknown

AML

Nibourel

2010

6

Blood

France

111

19

43

Direct sequencing

Calculated from K-M curves

Anthracycline-cytosine arabinoside induction treatment followed by HDAC consolidation or allo-HSCT

AML

Metzeler

2011

9

Journal of Clinical Oncology

America

418

95

> 60

Direct sequencing

Calculated from K-M curves

Standard intensive therapy

CN-AML

Kosmider

2011

7

Haematologica

France

247

49

66

Direct sequencing

Unitivariate or calculated from K-M curves

Intensive chemotherapy with anthracycline-cytarabine

s-AML

Chou

2011

7

Blood

China

486

64

51.5

Unknown

Multivariate and calculated from K-M curves

Standard intensive therapy or palliativecare or low-dose chemotherapy

AML

Patel

2012

8

The New England Journal of Medicine

America

391

33

< 60

Direct sequencing

Calculated from K-M curves

Induction therapy with high or standard dose of DNR

AML

Weissmann

2012

7

Leukemia

Germany

318

87

66.4

Next-generation sequencing

Calculated from K-M curves

Unknown

AML

Gaidzik

2012

8

Journal of Clinical Oncology

Germany

783

60

< 60

Direct sequencing

Calculated from K-M curves

Double induction therapy

AML

Renneville

2014

6

Oncotarget

France

139

19

62

Direct sequencing

Univariate

Standard front-line chemotherapy with or without low-dose gemtuzumab ozogamicin

CN-AML

Damm

2014

8

Genes Chromosomes and Cancer

France and Germany

215

13

< 60

Direct sequencing

multivariate

Intensive double induction and consolidation therapy

CN-AML

Tian

2014

7

International Journal of Hematology

Asia

373

60

45

Direct sequencing

Calculated from K-M curves

Standard induction therapy followed by consolidation of HDAC or allo-HSCT

CN-AML

S.Ohgami

2015

7

Modern Pathology

America

93

6

55

Next-generation sequencing

Muitivariate

Standard induction therapy with cytarabine and danorubicin or idarubicin

AML

Ahn

2015

9

Haematologica

Multiple region

407

54

52

Direct sequencing

Muitivariate

Standard induction therapy

CN-AML

Kao

2015

8

Oncotarget

China

98

18

55

Direct sequencing

Calculated from K-M curves

Standard intensive therapy with daunomycin and cytarabine

AML with MLL-PTD

Cher

2016

8

Blood Cancer Journal

China

96

8

41

Next-generation sequencing

Multivariate and univariate

Induction chemotherapy comprising cytarabine and daunorubicin with consolidation therapy comprising HDAC or allo-HSCT

CBF-AML

Lin

2016

9

Cancer Medicine

China

112

12

42.6

Next-generation sequencing

Multivariate

Standard therapy with or without allo-HSCT

AML

  1. Abbreviations: NOS the Newcastle-Ottawa-Scale, TET2, tet oncogene family member 2, m mutation, HDAC high-dose cytarabine, allo-HSCT allo hematopoietic stem cell transplantation, CN-AML cytogenetically normal acute myeloid leukemia, s-AML secondary acute myeloid leukemia, MLL-PTD partial tandem duplication of mixed-lineage leukemia gene, CBF-AML core-binding factor acute myeloid leukemia