Table 1 Summary of studies included in the analysis
From: Increased incidence of head and neck cancer in liver transplant recipients: a meta-analysis
Study | Year | Type of transplant | Data source | Geographic origin | Number of patients (n) | Number of liver transplant cases |
|---|---|---|---|---|---|---|
Ettorre | 2013 | Liver | Italian transplantation centers | Italy | 1675 | 1675 |
Kaneko | 2013 | Liver | Not mentioned | Japan | 360 | 360 |
Krynitz | 2012 | Multiorgan | Swedish National Patient Register | Sweden | 10476 | 1221 |
Baccarani | 2010 | Liver | Italian liver transplant centers | Italy | 417 | 417 |
Collett | 2010 | Multiorgan | UK Transplant Registry | UK | 37617 | 6771 |
Herrero | 2010 | Liver | Not mentioned | Spain | 339 | 339 |
Åberg | 2008 | Liver | Finnish liver transplant registry and patient records | Finland | 540 | 540 |
Jiang | 2008 | Liver | Canadian Organ Replacement Registry | Canada | 2034 | 2034 |
Serraino | 2007 | Multiorgan | Not mentioned | Italy | 2875 | 322 |
Haagsma | 2001 | Liver | Medical records | Netherlands | 174 | 174 |
Total | — | — | — | — | 56507 | 13853 |