Table 1.
Population | Yeara | Predominant location | Number of patients | Prevalence | Mean age (years) | Reference | Gender ratio (M:F) | Diagnostic modality | Additional information |
---|---|---|---|---|---|---|---|---|---|
Africa | |||||||||
Kenya | 1978 | N/A | 226 | 6.6% | 40 | Calder40 | N/A | BE | |
Kenya | 1997 | N/A | 247 | 5.3% | N/A | Ogutu et al.41 | N/A | C | Major private hospitals in Nairobi |
Nigeria | 1985 | N/A | 603 | 1.9% | N/A | Ogunbiyi42 | 1.32 | C | |
Nigeria | 2011 | N/A | 320 | 9.4% | 59.5 | Alatise et al.43 | 1.32 | C | |
Asia | |||||||||
Bangladesh | 2011 | Right-sided | 630 | 2.7% | 67.3 | Lahiri et al.44 | 1.38 | C | |
India | 2002 | Left-sided | 225 | 4.4% | 54.8 | Kang et al.45 | 1.47 | C | Indians at St. George's Hospital, London |
Iran | 1981 | N/A | 556 | > 20 y 1.6% > 50 y 2.4%, < 50 y 1.2% | N/A | Dabestani et al.46 | N/A | BE | |
Japan | 2007 | Right-sided | 672 | 24.5% | 50 | Hirata et al.47 | 1.48 | C | |
Japan | 2011 | Right-sided | 28.192 | 20.3% | 67.6 | Nagata et al.48 | 1.62 | C | |
Japan | 2012 | Right-sided | 2164 | 25.1% | 58 | Nagata et al.49 | 1.36 | C | |
Korea | 2008 | Right-sided | 848 | 12.1% | 50.9 | Song et al.28 | 1.58 | C | |
Saudi Arabia | 2011 | Left-sided | 3649 | 7.4% | 60.8 | Azzam et al.50 | 1.57 | C | |
Singapore | 2002 | Right-sided | 1663 | 45% | 59 | Fong et al.51 | 1.13 | BE | Chinese 84%, Indian 7%, Malay 6%, others 3% |
Thailand | 2011 | Right-sided | 2877 | 28.5% | 59.8 | Lohsiriwat and Suthikeeree52 | 1.62 | BE | |
America | |||||||||
USA | 2005 | N/A | 542.868 | 42.8% | 50–59 | Everhart et al.53 | 0.84 | C | US-whites 86%, US-blacks 6%, US-Hispanics 5%, others 3% |
USA | 2010 | Left-sided | 2104 | 41.7% | 53.9 | Peery et al.12 | 0.72 | C | US-whites 81%, US-non-whites 19% |
Europe | |||||||||
France | 2005 | Left-sided | 796 | 40.0% | 59.6 | Faucheron et al.54 | 1.16 | C | |
Greece | 1999 | N/A | 502 | 22.9% | 65 | Paspatis et al.55 | 1.76 | A | |
Netherlands | 2002 | N/A | 6827 | 27.0% | 56.6 | Loffeld and Van der Putten56 | 0.74 | C | |
Poland | 2002 | Left-sided | 1912 | 21.7% | 55.4 | Blachut et al.57 | 0.56 | BE |
Updated and modified from Delvaux2 and Jun and Stollman.58 aFinal year of survey (if available) or date of submission. If available, the predominant location of diverticula is specified. As older studies found lower prevalence rates, only studies after 1990 were included (except for the studies from Iran, Kenya and Nigeria). Diagnostic modalities: A: autopsy; BE: barium enema; C: colonoscopy. M: male; F: female; y: year.