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 | 1461 | 14.96* | 1542 | 7.07* | ||||||||||||
+: all patients received chemotherapy. -: chemotherapy was not mentioned. ±: a part of patients received chemotherapy.
*: weighted average of median survival time of articles.