Table 3 RR value of OS obtained by random model

T eruyuki Sakaguchi (1998)

0.942 (0.867–1.023)

14.05

0.840 (0.731–0.967)

14.83

0.846 (0.720–0.993)

12.70

Jang Kyu Choi (2015)

0.973 (0.915–1.034)

14.96

0.835 (0.720–0.968)

14.52

0.853 (0.727–1.000)

12.73

Qin Huang (2015)

1.026 (0.977–1.076)

15.39

0.955 (0.877–1.040)

16.81

0.930 (0.815–1.060)

13.48

Jun Chul Park (2010)

0.969 (0.943–0.996)

15.93

0.878 (0.832–0.927)

17.64

0.829 (0.776–0.886)

14.83

Laurence Bedin (2016)

0.609 (0.485–0.765)

7.49

1.033 (0.749–1.426)

8.24

1.085 (0.743–1.584)

7.07

Pompiliu Piso (2000)

0.715 (0.641–0.797)

12.81

0.548 (0.451–0.666)

12.60

0.534 (0.417–0.684)

10.26

Chong Li (2005)

0.907 (0.674–1.219)

5.47

0.738 (0.418–1.300)

3.83

0.576 (0.274–1.210)

2.79

Wenhua Zhan (2002)

0.939 (0.862–1.023)

13.91

0.631 (0.505–0.789)

11.53

0.597 (0.442–0.806)

8.84

Fabio Pacelli (2001)

–

–

–

–

0.486 (0.349–0.675)

8.13

Jianshan Hong (2005)

–

–

–

–

0.584 (0.438–0.779)

9.16

Overall

0.898 (0.825–0.977)

100.00

0.802 (0.708–0.909)

100.00

0.736 (0.642–0.844)

100.00