Drug compliance of pregeriatric rehabilitation patients. Brief communication on a longitudinal investigation.

: An overview on an follow-up study is given that concerns the drug-compliance of 990 pregeriatric rehabilitation patients. During 20 days the drug intake of every patient was controlled by riboflavine method. The compliance-rate was at 47.9 +/- 32.4%, and it was relatively constant during the course of the investigation. Other features as age, nationality, number of risk factors etc. correlated but moderately though significantly with the compliance-rate. The lowest values had foreigners, and/or patients prone to nicotine or alcohol abuse. The highest rate was found on patients being in the state after heart infarction.