Table 1 Main characteristics of all the studies included in the meta-analysis
Study | Year | Country | Sample size(M/F) | Age(years) | Follow-up (months) | ISS stage (n) | Cut-off | Outcome | HR | NOS score |
|---|---|---|---|---|---|---|---|---|---|---|
Lee H [20] | 2014 | Korea | 146(91/55) | 61(32–83) | 47(3–104) | I/II/III 60/49/35 | 14.50 | PFS | Reported(M) | 8 |
Wang J [22] | 2017 | China | 196(110/86) | 65(33–82) | 33.5(1–120) | I/II/III 6/69/71 | 18.05 | OS | Reported(M) | 8 |
Meng S [21] | 2017 | China | 166 (88/78) | 62(34–93) | 17.79(0.63–62.83) | I/II/III 21/29/116 | 14.00 | OS/PFS | Reported(M) | 8 |
Zhou D [24] | 2018 | China | 162(87/75) | 61(40–87) | NR | I/II/III 35/67/60 | 14.00 | OS/PFS | Reported(M) | 7 |
Ma Y [23] | 2018 | China | 78(47/31) | 60.7(43–81) | 42.6(2–136) | I-II/III 51/27 | 15.50 | OS/PFS | Reported(M) | 8 |
Sun C [26] | 2019 | China | 99(52/47) | 65(33–82) | NR | I-II/III 52/47 | 17.95 | OS/PFS | Reported(M) | 7 |
Liu S [25] | 2019 | China | 175(95/80) | 61 | 33.63(2.17–79.33) | I/II/III 23/44/108 | 14.00 | OS | Reported(M) | 7 |
Li DY [27] | 2020 | China | 143(88/55) | 63(35–83) | NR | I/II/III 30/43/70 | 47.9a | OS | Reported(M) | 7 |