Table 3. HRs (95% CI) of sensitivity analysis for HIFs overexpression on DFS.
| Study omitted | Estimated HR | low value of 95%CI | High value of 95%CI |
| Shioya (2011) | 2.0867274 | 1.567879 | 2.7772751 |
| Havelund (2011) | 2.2600963 | 1.7024611 | 3.0003829 |
| Kwon (2010) | 2.1164002 | 1.5588678 | 2.8733358 |
| Saigusa (2011) | 2.0795095 | 1.5696353 | 2.7550092 |
| Baba (2010) | 2.2764547 | 1.7367126 | 2.9839401 |
| Gao (2009) | 2.1033344 | 1.5671818 | 2.8229115 |
| Lu (2006) | 2.0664124 | 1.5748442 | 2.7114177 |
| Theodoropoulos (2006) | 2.0455844 | 1.541568 | 2.7143891 |
| Yoshimura (2004) | 1.9817994 | 1.5027167 | 2.6136189 |
| Shimomura (2013) | 2.2203045 | 1.6552455 | 2.97826 |
| Yu (2012) | 2.1814032 | 1.602671 | 2.9691179 |
| Jubb (2009) | 2.2353566 | 1.6377747 | 3.0509808 |
| Cleven (2007) | 2.0521758 | 1.554372 | 2.7094064 |
| Combined | 2.127789 | 1.6131618 | 2.8065913 |