Table 2 Basic characteristics of trials included in the present study
Reference | Author | Year | Metastasis | Adjuvant chemotherapy | With palliative gastrectomy | Without palliative gastrectomy | 1-year survival | 3-year survival | 5-year survival | Follow-up(month) | HR (95%CI) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Patients number | Median survival time (month) | Ptaients number | Median survival time (month) | with PG | without PG | with PG | without PG | with PG | without PG | |||||||
1 | Kikuchi S [26] | 1998 | M1 | - | 63 | 12.2 | 59 | 5.5 | NA | NA | NA | NA | NA | NA | 40 | 0.55 (0.35,0.85) |
2 | Saidi RF [27] | 2006 | M0 + M1 | ± | 24 | 13.2 | 81 | 5.5 | NA | NA | NA | NA | 5% | 0 | 60 | 0.46 (0.03,7.2) |
3 | Nazli O [28] | 2007 | M0 | - | 21 | 8 | 39 | 3 | NA | NA | NA | NA | NA | NA | 36 | NA |
4 | Lin SZ [29] | 2008 | M0 + M1 | ± | 183 | NA | 206 | NA | 61.3% | 1.3% | 8.9% | 0 | 6.2% | 0 | 60 | 0.61 (0.45,0.82) |
5 | Lupascu C [30] | 2010 | M0 + M1 | ± | 30 | 17.8 | 45 | 6.4 | NA | NA | NA | NA | NA | NA | 30 | 0.78 (0.06,9.64) |
6 | Zhang JZ [31] | 2011 | M0 + M1 | - | 184 | 16.4 | 152 | 5.5 | 51.4% | 0 | NA | NA | NA | NA | 60 | 0.64 (0.49,0.84) |
7 | Sougioultzis S [32] | 2011 | M0 + M1 | + | 218 | 13.25 | 93 | 4 | NA | NA | 8.1% | 3.5% | NA | NA | 75 | 0.08 (0.06,0.13) |
8 | Kim KH [33] | 2011 | M1 | + | 47 | 15.5 | 185 | 9 | NA | NA | NA | NA | NA | NA | 60 | 0.65 (0.45,0.94) |
9 | Chang YR [34] | 2011 | M1 | ± | 108 | 12.7 | 57 | 11.2 | NA | NA | NA | NA | NA | NA | 60 | 0.59 (0.42,0.89) |
10 | Kokkola A [35] | 2012 | M1 | ± | 23 | 10.8 | 32 | 5.7 | NA | NA | NA | NA | NA | NA | 60 | 0.99 (0.5,1.94) |
11 | Chen S [36] | 2012 | M0 + M1 | ± | 392 | NA | 470 | NA | NA | NA | NA | NA | NA | NA | 48 | 0.71 (0.58,0.87) |
12 | Tokunaga M [37] | 2012 | M1 | ± | 82 | 13.1 | 66 | 12 | NA | NA | NA | NA | NA | NA | 60 | 1.03 (0.65,1.65) |
13 | Miki Y [38] | 2012 | M1 | ± | 38 | 25.6 | 12 | 8.7 | 64.4% | 36.7% | 36.1% | 12.2% | 29.4% | 0 | 83 | 0.27 (0.12,0.59) |
14 | Dittmar Y [39] | 2012 | M0 + M1 | ± | 48 | 15 | 45 | 6 | NA | NA | NA | NA | NA | NA | 60 | 0.56 (0.32,0.99) |
Total publications: 14 | Â | Â | Â | 1461 | 14.96* | 1542 | 7.07* | Â | Â | Â | Â | Â | Â | Â | Â | |