. 2012 Jan 11;97(3):1032–1040. doi: 10.1210/jc.2011-2155

Table 4.

Spearman correlation coefficients for TNF-α and metabolic syndrome-related variables overall and stratified by ethnicity

Variable	Overall	White	AA	Hispanic
Demographic
Age (yr)	0.19^a	0.21^a	0.18^b	0.23^a
BMI (kg/m²)	0.16^a	0.24^a	0.12^c	0.23^a
Waist (cm)	0.22^a	0.28^a	0.21^a	0.24^a
Blood pressure (mm Hg)
Systolic	0.07^c	0.07	0.13^b	0.19^a
Diastolic	0.02	0.04	0.06	0.04
Insulin/glucose
Fasting glucose (mg/dl)	0.17^a	0.23^a	0.14^b	0.25^a
Two-hour glucose	0.19^a	0.24^a	0.15^b	0.24^a
Fasting insulin (μU/ml)	0.25^a	0.30^a	0.12^c	0.30^a
Two-hour insulin	0.17^a	0.18^a	0.12^c	0.18^a
Proinsulin (pmol/liter)	0.28^a	0.34^a	0.24^a	0.33^a
Insulin secretion/resistance
S_I (×10⁴/min⁻¹ × μU⁻¹ × ml⁻¹)	−0.25^a	−0.31^a	−0.18^a	−0.28^a
AIR (μU/ml)	0.02	0.007	0.11	−0.05
AIR (adjusted for S_I)	0.02	0.008	0.03	−0.03
Proinsulin/insulin	0.14^a	0.12^b	0.15^b	0.21^a
Lipids
Total cholesterol (mg/dl)	0.03	0.04	0.11^c	0.008
HDL	−0.30^a	−0.31^a	−0.19^a	−0.20^a
LDL	−0.03	−0.02	0.09	−0.03
Triglycerides (mg/dl)	0.35^a	0.31^a	0.28^a	0.26^a
Inflammation/coagulation
Fibrinogen (mg/dl)	0.14^a	0.15^b	0.11	0.20^a
PAI-I (ng/dl)	0.31^a	0.33^a	0.16^b	0.22^a
CRP (mg/liter)	0.27^a	0.26^a	0.25^a	0.33^a

AA, African-American.

P < 0.0001.

P < 0.005.

P < 0.05.