الفهرس 
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Abstract
This is across sectional study included 200 adult males with ages ranged from 27 to 65 years not known to be diabetics with BMI over than 25 and WC over than 102 cm were selected from medical outpatient clinic in Kafr El-Sheikh General Hospital after obtaining the consent from all the subjects for the study and explaining the purpose and benefit.
Aim of the work is to study the relationship between central fat distribution (visceral obesity) and development of type 2 diabetes mellitus in adult males.
All cases were subjected to full medical history including previous illness & family history of different metabolic disorders with particular emphasis of family history of D.M, obesity, hypertension & metabolic syndrome.
All cases were subjected to full clinical examination with particular emphasis of getting body weight &height to calculate body mass index (BMI) and measurement of Waist circumference.
All subjects were subjected to some laboratory tests including measurement of fasting blood glucose level , measurement of 2 hours post prandial blood glucose level , HbA1c ( % ) & serum lipid pattern and subjected to pelvic and abdominal ultrasound to exclude ascites and severe organomegally which may interfere with correct measurement of waist circumference.
The results of this study revealed the following:-
The subject’s age was between 27 & 65 years old with the Arithmetic mean of age was 46.2.
Summary
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The cases were defined regarding to their BMI into :-
Over weight (25 – 29.9 kg / m2) representing 9%
Obese grade I (30 – 34.9 kg / m2) representing 48.5%
Obese grade II (35 – 39.9 kg / m2) representing 32%
Obese grade III (40 kg / m2 or more) representing 10.5 %
The waist circumferences of these cases were between 102 & 124 cm with the mean of waist circumferences was 109.5.
14% of the subjects were diabetics and 86% were not.
10% of the subjects were prediabetics.
There is statistically significant difference between diabetics & non diabetics as regarding WC (P value < 0.05) and BMI (P value < 0.05).
There is statistically significant difference between diabetics & non diabetics as regarding measurement of their total cholesterol & LDL (P value < 0.05) and insignificant difference between diabetics & non diabetics as regarding measurement of their triglycerides, HDL.
BMI at cut off point 32.15 was 71.4% sensitive & 36.4% specific in prediction of type 2 DM , while WC at cut off point 108.5 was 76.4% sensitive & 50.9% specific in prediction of type 2 DM.
There is statistically significant positive correlation between fasting blood glucose level measurement & 2 hours post prandial blood glucose level of studied group with their BMI, WC , total cholesterol , & LDL (P value < 0.05) , while it shows statistically insignificant correlation between fasting blood glucose & 2 hours post prandial blood glucose level with triglyceride & HDL (P value > 0.05) .