Table 1 Main characteristics of the studies included in this meta-analysis
From: The importance of extranodal extension in penile cancer: a meta-analysis
First author | Year | Country | Recruitment period | Study design | Age (median) | Follow-up (mean/median) | No. pts | No. ENE Pts (%) | No. PLND Pts (%) | No. PLNM Pts (%) | Outcomes measured | NOS score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Djajadiningrat [13] | 2014 | Netherlands | 1956–2012 | retrospective | 64 | 65 m | 300 | 134(45) | NA | 58(19) | CSS: Multivariable HR reported | 8 |
Lughczznni (a) [18] | 2013 | Italy | 2000–2012 | retrospective | 61 | 26 m | 81 | 40(49) | 56(69) | NA | CSS: Multivariable HR reported | 8 |
Pandey [14] | 2006 | India | 1987–1998 | retrospective | 45 | NA | 102 | 54(53) | NA | 21(22) | OS: Multivariable HR reported | 8 |
Svatek [17] | 2009 | USA | 1979–2007 | retrospective | 61 | 24 m | 45 | 11(24) | 33(73) | NA | CSS: Multivariable HR reported | 8 |
Sun [15] | 2014 | Canada | 1994–2010 | retrospective | 65 | 43 m | 155 | 71(46) | NA | 31(7.1) | CSS: Curve estimated HR | 7 |
Zhu(a) [27] | 2011 | China | 1990–2008 | retrospective | 48 | 53 m | 60 | 16(27) | 29(48) | 8(13) | RFS: Curve estimated HR | 7 |
Liu [16] | 2013 | China | 1998–2011 | retrospective | 51 | 42 m | 76 | 29(38) | 42(55) | 33(43) | OS: Multivariable HR reported | 6 |
PLNM: Multivariable OR reported | ||||||||||||
Zhu(b) [21] | 2008 | China | 1990–200 | retrospective | NA | 38 m | 33a | 5(15) | 16(48) | 12(36) | PLNM:univariateOR calculated | 7 |
Lont [20] | 2007 | Netherlands | 1956–2011 | retrospective | 63 | 85 m | 102 | NA | 53(52) | 25(25) | PLNM: Multivariable OR reported | 8 |
Lughczznni (b) [28] | 2014 | Italy | 1985–2012 | retrospective | 63 | 51 m | 188b | 98(52) | 160(85) | 51(27) | PLNM: Multivariable OR reported | 8 |