“…Thus, systems have been constructed for prediction of gallstone pancreatitis [35], survival in acute pancreatitis [36], choledocholithiasis [37], rebleeding in upper gastrointestinal hemor rhage [38] and strangulation in small bowel obstructions [39]. A pocket diagnostic chart for differential diagnosis of jaundice [40] is another example of an effective diagnostic device in a limited diagnostic field. Most of these studies report a diagnostic accu racy superior to that of the clinicians, four of them surpassing 90% of correct predic tion.…”