Acute cholecystitis develops in approximately 20% of patients with biliary colic if they are left untreated.However, the incidence of acute cholecystitis is falling, likely due to increased acceptance by patients of laparoscopic cholecystectomy as a treatment of symptomatic gallstones.
Group Policies are rules that can be applied to a machine every time the operating system starts up. These rules can be used to significantly improve the baseline security of the operating system, on the global or local level.
Dependent groups refer to some type of association or link in the research design between sets of scores. This usually occurs in one of three conditions -- repeated measures, linked selection, or matching. Repeated measures designs collect data on subjects using the same measure on at least two occasions.