Gastroenterology Research and Practice / 2019 / Article / Tab 1

Research Article

Risk of Colorectal Cancer in Ulcerative Colitis Patients: A Systematic Review and Meta-Analysis

Table 1

Population and study characteristics.

AuthorSample size (UC)Study periodMean age at diagnosis (UC)CountrySample size (CRC)Mean age at diagnosis (CRC)GenderDisease extentTime of duration (year)
MenWomenExtensiveLeft-sidedProctitis

Hata et al. [7]2171979-200131.4Japan546.60041015.2
Kim et al. [8]70611970-200537.9Korea2649.681800012.7
Gong et al. [9]39221998-200940China3457.5142010121212.8
Matsuoka et al. [10]12741984-201030Japan8352434066171022
Zhang et al. [11]6242000-201239China454.52240015.5
Lee et al. [12]27981989-201333Korea1848711162015
Choi et al. [13]5222003-20130Korea120000000
Shi et al. [14]12251981-201341China150000000
Yoshino et al. [15]21372003-20130Japan43532815348113
Wang et al. [16]26631998-201343.1China1800000019.27
Jung et al. [17]97852011-20140Korea31020110000
Kishikawa et al. [18]2891979-201433Japan94954285016
Bopanna et al. [19]10122004-201532.1India2053.25146164018.7
Selinger et al. [20]5041977-19920Australia2400012840
Gupta et al. [21]4181996-199726.8USA10000000
Jess et al. [22]3781940-200134USA650.674242013.67
Bitton et al. [23]153461999-20080Canada53037160000
Hou et al. [24]209491998-20090USA1686797710003.6
Ananthakrishnan et al. [25]55691998-20100USA1260000000
Navaneethan et al. [26]9971998-20110USA20000000
Yadav et al. [5]4621940-201135USA13666700031
Ananthakrishnan et al. [27]35462010-20130USA830000000
Sonnenberg and Genta [28]370432008-201449.6USA540000000
Hou et al. [29]8811999-20140USA210000000
Bettner et al. [30]751990-201529USA1590000011.1
Gyde et al. [4]8231944-197633.66UK/Sweden3556.691322287023.03
Moody et al. [31]1751972-198158.4UK1067647309.6
Ekbom et al. [32]31171922-19830Sweden9105239351790
Lennard-Jones et al. [33]4011966-198729.73UK2250.0513900020.31
Löfberg et al. [34]721973-19880Sweden142.25000000
Stewtnius et al. [35]4711958-199038.3Sweden949.883671112.22
Biasco et al. [36]651980-199232.9Italy459.50000013
Wandall et al. [37]8011973-199341Denmark657.334241110.83
Palli et al. [38]6891978-19960Italy40000000
Winther et al. [39]11601962-19970Denmark80620000
Viscido et al. [40]20061964-199738.5Italy280000000
Goldacre et al. [41]69901963-19990UK1030000000
Lindberg et al. [42]901977-20020Sweden80000000
Jess et al. [43]14371978-20020Denmark150000000
Hemminki et al. [44]276061964-20040Germany/Sweden4820000000
Katsanos et al. [45]1821983-200451.2Greece30210000
Katsanos et al. [46]7761991-20040Netherlands761.3000005.4
Jess et al. [47]15751962-20050Denmark140860000
Stolwijk et al. [48]2931980-200533.8Netherlands2349.2149221010.2
Lakatos et al. [49]7232002-200536Hungary13510085019
Cheddani et al. [50]4741998-200669France875000007.4
Manninen et al. [51]12541986-200734Finland1647.69142106016.1875
Jess et al. [52]329111979-200844.9Denmark2686413213600019.1
Gordillo et al. [53]4032006-200942.91Spain358.93021012.5
Kappelman et al. [54]351521978-201046.5Denmark4370000007.8
Choi et al. [55]13752003-201230UK8855.5543400025.5
Choi et al. [56]9872003-201230UK140000000
Hovde et al. [57]5191990-20130Norway1401040000
Van den Heuvel et al. [58]16441991-201345Netherlands1262.75664713.42
Nowacki et al. [59]4342013-201345.7Germany1054.75564012
Rutegård et al. [60]3231977-20140Sweden100000000
Biancone et al. [61]226662012-20140Italy24640000012
Kekilli et al. [62]2751994-200835.9Turkey30000000

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.