| Study | Reason for exclusion |
|---|---|
| Ahmadi 2009 | Review |
| Bazargan 2010 | Not an RCT |
| Byrd 2003 | Not an RCT |
| Byrd 2003a | Review |
| Castagna 2003 | Editorial |
| Castillo 2009 | Review |
| Decker 2009 | Not an RCT |
| Drapkin 2000 | Not an RCT |
| Faderl 2010 | Not an RCT |
| Han 1990 | Review |
| Hillmen 2007 | RCT: comparison arms not treated with rituximab |
| Janssens 2009 | Review |
| Keating 2009 | Review |
| Keating 2010 | Editorial |
| Mulligan 2010 | RCT: all arms receive equal doses of rituximab |
| Negrea 2009 | Not an RCT |
| Pitini 2009 | Not an RCT |
| Quinn 2008 | Not an RCT |
| Reynolds 2008 | RCT: both arms treated with rituximab |
| Rigacci 2009 | Not an RCT |
| Rosen 1999 | Editorial |
| Schweighofer 2009 | RCT: comparison arms not treated with rituximab |
| Tonino 2010 | Case report |
RCT: randomised controlled trial.