Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 14, 2012; 18(14): 1689-1694
Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1689
Table 1 Literature type
Acute cholecystitisChronic cholecystitisAcute exacerbation of chronic cholecystitisCholecystitis complicated by cholelithiasisOther diseases complicated by cholecystitisTotal
Clinical trial study292512165431051468
Treatment and care30012015
Animal and fundamental experimental research33017124
Theoretical research310010225
Other therapies31207022
Relevant drug research241209
Total306541175911081563
Table 2 Evidence strength analysis
Acute cholecystitis (H/M)Chronic cholecystitis (H/M)Acute exacerbation of chronic cholecystitisCholecystitis complicated by cholelithiasis (H/M)Other diseases complicated by cholecystitis (H/M)TotalEvidence level
Systemic review000000I
RCT35 (2/2)62 (6/0)6 (1/0)28 (1/1)5 (1/0)136II
Case-control19 (1/0)40 (2/1)137 (4/1)4 (1/0)101III
Case report203 (9/3)336 (26/0)7 (1/0)344 (27/1)71 (7/0)961IV
Experience reports/Masters experience31 (2/0)54 (4/0)2109 (7/2)20 (1/0)216V
Review5 (1/0)19025 (2/0)5 (1/0)54V
Total293511165431051468
Table 3 Distribution of the first authors' hospital level
Acute cholecystitisChronic cholecystitisAcute exacerbation of chronic cholecystitisCholecystitis complicated by cholelithiasisOther diseases complicated by cholecystitisTotal
Level-3 hospitals1071491016335464
Level-2 hospitals106197519337538
Level-1 hospitals and others76132116328400
Medical schools and universities426016551
Research institutes0706215