Meta-Analysis
Copyright ©The Author(s) 2020.
World J Clin Cases. Mar 26, 2020; 8(6): 1074-1086
Published online Mar 26, 2020. doi: 10.12998/wjcc.v8.i6.1074
Table 2 Detailed information including T stage of tumor, survival rate, and recurrence in the included comparative studies
Ref.YearCountryComparison (n)T stageSurvivalP valueRecurrenceP value
Jang et al[33]2019South KoreaLaparoscopic(55)T25-yr OS73.1%0.1165-yr DFS78.0%0.017a
Open(44)65.7%62.4%
Feng et al[32]2019ChinaLaparoscopic(41)Tis-T31/3/5-yr OS97.1%/69.4%/51.9%0.453Postoperative incisional metastasis4.9%NA
Open(61)94.7%/64.9%/55.7%3.3%
Laparoscopic(9)Tis5-yr OS100.0%NANANANA
Open(4)NANA
Laparoscopic(8)T1b5-yr OSNA0.763NANANA
Open(9)87.5%NA
Laparoscopic(14)T25-yr OS48.1%0.513NANANA
Open(32)64.7%NA
Laparoscopic(8)T35-yr OS12.5%0.513NANANA
Open(16)16.0%NA
Jang et al[31]2016South KoreaLaparoscopic(61)T15-yr OS92.7%0.332Recurrence0.0%0.496
Open(61)100.0%3.3%
Itano et al[30]2015JapanLaparoscopic(16)T23-yr OS100.0%NA3-yr recurrence0.0%NA
Open(14)71.4%28.6%
Agarwal et al[13]2015IndiaLaparoscopic(24)T1-T3NANANA18 mo (6–34 mo)4.2%NA
Open(46)6.5%
Ha et al[34]2014South KoreaLaparoscopic(25)T1b/T21/3/5-yr OS94.7%/64.0%/64.0%0.607NANANA
Open(150)95%/83.4%/76.0%NA
Laparoscopic(15)T1b1/3/5-yr OS91.7%/68.8%/68.8%0.649NANANA
Open(75)100.0%/87.6%/ 84.4%NA
Laparoscopic(10)T21/3/5-yr OS100.0%/50.0%/50.0%0.895NANANA
Open(75)90.0%/79.3%/67.6%NA
Goetze et al[29]2013GermanyLaparoscopic(492)T1-T45-yr OS37.0%< 0.05aOverall recurrence54.9%> 0.05
Open(200)25.0%54.5%
Laparoscopic(95)T15-yr OS52.0%> 0.05NANANA
Open(34)57.0%NA
Laparoscopic(282)T25-yr OS33.0%0.002aNANANA
Open(81)25.0%NA
Laparoscopic(81)T35-yr OS24.0%0.001aNANANA
Open(59)6.0%NA