Table 3.
Hazard ratio for overall survival of subgroups
No. of studies | No. of patients | HR (95%CI) | p-value | I 2 (%) | |
---|---|---|---|---|---|
Different Metastatic Positions |
|
|
|
|
|
Peritoneal Dissmination [26,29,36,37] |
4 |
832 |
0.76 (0.63, 0.92) |
0.005 |
68 |
Liver Metastasis [29,36,38] |
3 |
365 |
0.41 (0.30, 0.55) |
<0.00001 |
23 |
Lymph Node Metastasis [29,36] |
2 |
155 |
0.36 (0.23, 0.59) |
<0.00001 |
90 |
Different Regions |
|
|
|
|
|
Western Countries [27,30,32,35,39] |
5 |
639 |
0.65 (0.58, 0.73) |
<0.00001 |
31 |
Asian Countries [26,29,31,33,34,36-38] | 8 | 2304 | 0.23 (0.17, 0.31) | <0.00001 | 93 |