System Info for File Extension .CPI. The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.
How AHI Is Used. The AHI is used to classify the severity of your sleep apnea, according to the following criteria for adults: Normal: fewer than 5 events per hour of sleep. Mild: 5-14.9 events per hour of sleep. Moderate: 15-29.9 events per hour of sleep. Severe: greater than 30 events per hour of sleep.
CEA is a protein marker indicative of several types of cancers, especially colon cancer. The CEA normal levels are different for smokers and nonsmokers. Usually, for adult nonsmokers, the normal CEA levels range from 0 to 2.5 mcg/l.For adult smokers, the levels are slightly higher, and normal levels range from 0 to 5.0 mcg/l. This difference in normal values is because smokers usually produce more CEA than nonsmokers.he CEA normal levels are different for smokers and nonsmokers. Usually, for adult nonsmokers, the normal CEA levels range from 0 to 2.5 mcg/l. For adult smokers, the levels are slightly higher, and normal levels range from 0 to 5.0 mcg/l.