Research Article

Sensitivity and Specificity Improvement in Abdominal Obesity Diagnosis Using Cluster Analysis during Waist Circumference Cut-Off Point Selection

Table 8

General characteristics of the subjects after categorization using the newly selected WC cutpoints. Maracaibo City Metabolic Syndrome Prevalence Study, 2013.

Women Men
Abdominal obesity*Abdominal obesity**
Absence Presence Absence Presence
Mean SD Mean SD Mean SD Mean SD

BMI (Kg/m2) 23.84 3.33 32.58 5.58 <0.0001 24.98 3.22 33.30 6.03 <0.0001
WC (cm) 80.84 7.37 102.85 9.26 <0.0001 87.22 7.47 111.60 12.94 <0.0001
FG (mg/dL) 12.67 6.96 16.62 11.04 <0.0001 11.37 7.16 18.66 11.04 <0.0001
Insulin (µUI/mL) 90.29 11.67 98.28 21.81 <0.0001 89.56 12.18 99.99 28.10 <0.0001
HOMA2-IR 146.16 55.94 150.01 62.82 <0.0001 135.45 50.81 165.07 80.20 <0.0001
HOMA2-Bcell 67.59 39.68 56.62 37.36 0.313 79.18 43.15 49.25 35.45 <0.0001
HOMA2-S 1.85 0.96 2.46 1.55 <0.0001 1.67 1.03 2.77 1.57 <0.0001
T-Chol (mg/dL) 185.04 41.95 204.04 45.07 <0.0001 180.75 42.54 196.06 51.89 <0.0001
TAG (mg/dL) 93.86 66.33 136.68 87.99 <0.0001 113.00 73.17 170.87 118.50 <0.0001
HDL-c (mg/dL) 48.80 11.77 45.32 11.86 <0.0001 43.55 12.65 38.14 8.78 <0.0001
SBP (mmHg) 112.12 14.47 122.97 18.34 <0.0001 117.35 14.25 126.74 16.35 <0.0001
DBP (mmHg) 72.03 9.48 79.36 10.99 <0.0001 75.73 10.52 82.65 11.63 <0.0001
MAP (mmHg) 85.40 10.43 93.90 12.46 <0.0001 89.61 10.92 97.34 12.35 <0.0001
Non-HDL-c (mg/dL) 136.24 42.45 158.71 45.09 <0.0001 137.20 42.99 157.92 51.51 <0.0001
TAG/HDL 2.17 2.14 3.38 2.94 <0.0001 2.92 2.41 4.92 4.06 <0.0001

BMI, body mass index; FG, fasting glycemia; HDL-c, high density lipoprotein; MAP, mean arterial pressure; SBP, systolic blood pressure; DBP, diastolic blood pressure; T-Chol, total cholesterol; TAG, triglycerides; TAG/HDL, TAG/HDL index; WC, waist circumference, expressed in cm. *WC ≥ 91.50 cm; **WC ≥ 98.15 cm.