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Meta-analyses of adjuvant chemotherapy after 2006
| Author | Year | Number of trials included | Number of patients | HR for OS | P value |
| GASTRIC | 2010 | 17 | 3838 | HR = 0.82 [0.76-0.90] | < 0.001 |
| Sun et al | 2009 | 12 | 3809 | HR = 0.78 [0.71-0.85] | < 0.001 |
| Zhao et al | 2008 | 15 | 3212 | RR = 0.88 [0.77-0.99] | 0.001 |
| Liu et al | 2008 | 19 | 4599 | RR = 0.85 [0.80-0.90] | < 0.00001 |
GASTRIC: Global Advanced/Adjuvant Stomach Tumor Research International Collaboration; OS: Overall survival.
