Table 3 Prognostic factors of primary tumor characteristics in ER group

Bhogal,2015 [18]

-

-

-

30.1

Chen,2022 [19]

28.8

77.9

95.2

47.1

Dai,2021 [15]

-

77.3

-

25.8

Deng,2023 [20]

34.9

83.0

94.2

44.8

Finkelstein,2008 [21]

30.0

70.0

-

33.3

Imai,2016 [22]

-

62.3

80.2

24.6

Inoue,2020 [23]

-

81.8

-

42.0

Jung,2016 [24]

66.7

63.3

63.3

40.0

Kaibori,2012 [14]

5.6

68.5

87.0

29.6

Lalmahomed,2015 [25]

-

59.8

84.1

28.0

Lin,2018 [26]

28.6

72.7

-

34.7

Liu,2015 [27]

-

54.6

47.5

47.6

Malik,2007 [28]

-

58.1

-

-

Mao,2017 [29]

28.7

81.6

96.6

-

Narita,2015 [30]

-

63.3

-

36.7

Sakai,2021 [16]

-

-

-

-

Sun,2014 [31]

-

80.0

-

56.7

Tabchouri,2018 [32]

-

77.8

-

-

Tanaka,2014 [33]

11.4

-

-

34.3

Viganò,2014 [34]

-

68.8

90.8

35.6

Viganò,2022 [12]

-

67.9

83.9

28.6

Watanabe,2020 [35]

6.1

76.3

87.8

37.4

Wong,2022 [36]

-

74.1

-

31.0

Yamashita,2011 [37]

-

42.3

65.4

32.7