Cholecystitis by endoscopic retrograde cholangiopancreatography (ERCP) or during surgery. Complications from surgery are rare. In people unable to have surgery, gallbladder drainage may be tried. About 10–15% of adults in the developed world have gallstones. Women more commonly have stones than men and they occur more commonly after age 40. Certain ethnic groups are more often affected; for example, 48% of American Indians have gallstones. Of all people with stones, 1–4% have biliary colic each year. If untreated, about 20% of people with biliary colic develop acute cholecystitis. Once the gallbladder is removed outcomes are generally good. Without treatment, chronic cholecystitis
Countries affected by the 2004 Indian Ocean earthquake and tsunami Countries affected by the 2004 Indian Ocean earthquake and tsunami This article lists the countries affected by the 2004 Indian Ocean earthquake and the resulting tsunami in alphabetical order – for detailed information about each country affected by the earthquake and tsunami, see their individual articles. Countries with a smaller number of casualties, as well as those that lost citizens who were travelling abroad, are listed further on in the article. 10,749 casualties were confirmed on 27 January 2008, most of them in the Indian state of Tamil Nadu. There were 5,640 people missing, nearly all of them on the