Table 1. Studies included in meta-analyses.
| First author | Year | Study period | Number of patients | Median age in years | Number of males | Types of IPMN (number) | Number resected |
|---|---|---|---|---|---|---|---|
| Sahora52 | 2013 | 1995–2012 | 563 | 67 | 232 | BD (563) | 226 |
| Shimizu34 a | 2013 | 1996–2011 | 310 | 67.1 (mean) | 181 | MD (51), mixed (57), BD (202) | 310 |
| Fritz63 | 2012 | 2004–2010 | 123 | NA | NA | BD (123) | 123 |
| Hirono35 | 2012 | 1999–2011 | 134 | 69 (mean) | 74 | BD (134) | 134 |
| Kurihara36 | 2012 | 2003–2007 | 22 | 68 (mean) | 14 | MD (6), BD (16) | 22 |
| Ohno37 | 2012 | 2001–2009 | 142 | 65 (mean) | 77 | BD (142) | 30 |
| Ohtsuka38 | 2012 | 1990–2010 | 138 | 67 (mean) | 83 | MD (39), BD (99) | 138 |
| Akita39 | 2011 | 1992–2007 | 38 | 63 (mean) | 20 | BD (38) | 38 |
| Cone58 | 2011 | 2001–2009 | 52 | 65 (mean) | 24 | NA | 52 |
| Fritz8 | 2011 | 2004–2008 | 142 | NA | 82 | MD (16), mixed (75), BD (51) | 142 |
| Hwang40 a | 2011 | 1994–2008 | 237 | 63 (mean) | 137 | BD (237) | 247 |
| Maguchi41 a | 2011 | Not specified | 349 | 66 | 170 | BD (349) | 29 |
| Xu61 | 2011 | 1999–2008 | 86 | 62 (mean) | 62 | NA | 86 |
| Arikawa42 | 2010 | 2003–2008 | 25 | 65.2 (mean) | 20 | BD (25) | 25 |
| Hong25 | 2010 | 2005–2009 | 31 | 65 (mean) | 15 | MD (NA), BD (49) | 31 |
| Ingkakul 57 | 2010 | 1987–2008 | 200 | NA | 108 | BD (200) | 200 |
| Jing43 | 2010 | 1993–2007 | 39 | 55 (mean) | 39 | MD (11), mixed (4), BD (24) | 39 |
| Liu44 | 2010 | 2001–2008 | 25 | 61 | 14 | MD (5), mixed (13), BD (7) | 25 |
| Mimura45 | 2010 | 1998–2009 | 82 | 69 | 49 | MD (39), BD (43) (did not consider mixed IPMN; classified based on predominant type into MD and BD) | 82 |
| Sadakari53 | 2010 | 1987–2008 | 73 | 66 | 48 | BD (73) | 73 |
| Tomimaru33 | 2010 | 2006–2008 | 29 | NA | 13 | MD (3), mixed (13), BD (13) | 29 |
| Correa-Gallego59 | 2009 | NA | 72 | NA | NA | NA | NA |
| Manfredi6 | 2009 | 2001–2005 | 51 | 62 (mean) | 32 | MD (29), mixed (22) | Nil |
| Nagai46 | 2009 | 1984–2007 | 84 | 63 | 48 | BD (84) | 84 |
| Ohno47 | 2009 | 2001–2007 | 87 | 67 (mean) | 53 | MD (14), mixed (25), BD (48) | 87 |
| Tan26 | 2009 | 2005–2008 | 20 | 62 (mean) | 11 | MD (3), mixed (12), BD (5) | 20 |
| Woo54 | 2009 | 1998–2005 | 190 | 63(mean) | 111 | BD (190) | 85 |
| Jang48 a | 2008 | 1993–2006 | 138 | 61 (mean) | 87 | BD (138) | 138 |
| Maire60 | 2008 | 1994–2006 | 41 | 64 | 16 | MD (2), mixed (26), BD (13) | 41 |
| Ogawa27 | 2008 | 2000–2006 | 61 | 64.9 (mean) | 39 | MD (NA), mixed (NA), BD (49) | 61 |
| Pitman49 | 2008 | 1992–2006 | 20 | 68 (mean) | 11 | BD (20) | 18 |
| Takeshita50 | 2008 | 2002–2006 | 46 | 65 (mean) | 28 | BD (46), mixed IPMN also grouped under BD | 46 |
| Tang55 | 2008 | 1995–2006 | 31 | 66.6 (mean) | 19 | BD (31) | 31 |
| Pais62 | 2007 | 1992–2006 | 74 | 65 | 38 | MD (21), mixed (35), BD (18) | 74 |
| Rodriguez51 a | 2007 | 1990–2005 | 145 | 67 | 62 | BD (145) | 145 |
| Salvia56 b | 2007 | 2000–2003 | 109 | 64 | 45 | BD (109) | 25 |
| Sperti22 | 2007 | 1999–2005 | 64 | 64 (mean) | 33 | MD (28), BD (36) | 42 |
BD, branch duct; IPMN, intraductal papillary mucinous neoplasia; MD, main duct, NA, not available.
a
Multicentric study.
b
Prospective study.