Paper Information

Journal:   AVICENNA JOURNAL OF CLINICAL MEDICINE (SCIENTIFIC JOURNAL OF HAMADAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES)   Fall 2002 , Volume 9 , Number 3 (SN 25); Page(s) 26 To 30.
 
Paper: 

COMPARISON OF FASTING BLOOD SUGAR AND GLUCOSE TOLERANCE TEST ACCORDING TO WHO AND ADA FOR DIAGNOSIS OF DIABETES IN ISLAMSHAHR

 
 
Author(s):  NAVAEI L.*, KIMIAGAR SEYED MASOUD, LESAN KHOSHNIK R., AZIZI F.
 
* Department of Human Nutrition, School of Nutrition, Shaheed Beheshti University of Medical Sciences & Health Services, Tehran, Iran
 
Abstract: 

A universal, agreeable criterion for the diagnosis of diabetes has always been of interest to the specialists. The suitability of fasting blood sugar (FBS), instead of oral glucose tolerance test, due to its simplicity and low cost, has always been considered. The purpose of this study was to compare the results of fasting blood sugar (FBS) for diagnosing diabetes with those of 2 hr postprandial (PP) glucose test advocated by WHO.
This retrospective study was carried out on 2033 subjects 30 years of age and older in Islamshahr who had been selected by step-wise random sampling. The subjects comprising 835 males (41%) and 1198 females (59%) were studied. FBS and 2 hr PP glucose (75 g glucose administered orally) levels were examined and diabetic patients were determined based on the WHO criteria. The American Diabetes Association (ADA) criteria were then employed and the results of these two systems were compared.
150 cases (7.4%) out of 2033 subjects, were dubbed diabetic based on 2hr PP glucose levels of 200 mg/dl and over. On the other hand 119 subjects (5.9%) were classified as diabetic taking FBS of 126 mg/dl and higher. Out of 119 subjects with impaired fasting glucose (IFG) comprising subjects with FBS ranging 110-125 mg/dl, 39.5% had normal glucose tolerance test results, 40.3% were IGT and 20.2% were diabetic. Out of 1795 subjects who were classified normal based on the ADA criteria, 24 persons were diabetic and 198 subjects were IGT.
Therefore the results show, that the new ADA criterion is unable to diagnose a number of diabetic patients and more so with the IGT subjects. Based on these findings, FBS measurement is insufficient and GTT is necessary.

 
Keyword(s): DIABETES MELLITUS, FASTING BLOOD SUGAR, GLUCOSE TOLERANCE TEST
 
References: 
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