Consumers allocate their income between two kinds of consumption: consumption that. is perfectly visible to society, denoted by v; and consumption that is perfectly non-visible. to society, denoted by w. Since neither an individualâs income y nor consumption of w is.
Yes, creatine levels can fluctuate. The levels of creatine in your body will change based on many factors, including diet, exercise, medications and overall stress levels. Creatine is a molecule found within the body, and is developed simply by the food that you consume. This food turns into energy as it metabolizes.
One possible approach would be to use a relative change in creatinine (e.g. threefold) as the primary criterion, with an absolute cutoff (e.g. 4 mg/dL or about 350 mcmol/L) as a secondary criterion when baseline creatinine is abnormal. Similar approaches have been used in the literature (25,26).