Table 2 Prognostic factors of patient characteristics in ER group

Bhogal,2015 [18]

-

-

-

-

Chen,2022 [19]

55.0

67.3

-

-

Dai,2021 [15]

62.7

66.7

24.2%, > 100 ng/mL

30.3%, > 320 U/ml

Deng,2023 [20]

-

66.8

5.0%, > 200 ng/mL

-

Finkelstein,2008 [21]

-

-

-

-

Imai,2016 [22]

-

61.5

44.8%, > 10 ng/mL

29.8%, > 60 U/ml

Inoue,2020 [23]

66.0

64.8

14.9 ng/mL, med

27.7 U/ml, med

Jung,2016 [24]

-

66.7

53.3%, ≥ 50 ng/mL

-

Kaibori,2012 [14]

-

59.2

50%, > 6 ng/mL

35.2%, > 30 ng/dl

Lalmahomed,2015 [25]

63.0

63.4

-

-

Lin,2018 [26]

-

65.3

52.1%, > 10 ng/mL

37.5%, > 35 U/ml

Liu,2015 [27]

-

44.6

47.8%, > 200 ng/mL

-

Malik,2007 [28]

62.0

55.8

25.0 ng/mL, med

34.0 U/ml, med

Mao,2017 [29]

57.0

56.3

39.1%, > 30 ng/mL

-

Narita,2015 [30]

56.5

53.3

79.8 ng/mL, med

-

Sakai,2021 [16]

-

-

-

-

Sun,2014 [31]

58.2

50.0

79.1 ng/mL, med

-

Tabchouri,2018 [32]

-

-

-

-

Tanaka,2014 [33]

61.6

51.4

235.3 ng/mL, med

-

Viganò,2014 [34]

-

58.2

10.2%, > 200 ng/mL

-

Viganò,2022 [12]

-

55.4

8.9%, > 200 ng/mL

-

Watanabe,2020 [35]

62.0

55.0

11.1 ng/mL, med

18.4 U/ml, med

Wong,2022 [36]

66.6

50.0

-

-

Yamashita,2011 [37]

59.0

59.6

26.9%, > 50 ng/mL

-