| Study | Reason for exclusion |
|---|---|
| Batka 1993 | Different outcome |
| Bristow 2006 | No original data shown |
| Bruhat 1981 | No original data shown |
| Brun 2009a | Duplicate data; abstract of congress |
| Dagnini 1987 | Different outcome |
| Fagotti 2006 | Duplicate data; development of prediction model in study population of Fagotti 2004, which is included in the review |
| Gurrea 2010 | No data about evaluation of resectability |
| Nezhat 2010 | No data about evaluation of resectability |
| Vergote 2003 | No original data shown |
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