Fasting triglycerides and glucose index: a useful screening test for assessing insulin resistance in patients diagnosed with rheumatoid arthritis and systemic lupus erythematosus

Table 4 Correlation TyG index with quantitative variables in Controls, RA and SLE

Variables	Controls TyG n = 50		RA TyG n = 95		SLE TyG n = 57
Variables	r	p	r	p	r	p
Age, years	0.32	0.02	0.02	0.8	0.001	0.9
Disease duration, years	–	–	0.01	0.9	0.06	0.6
Duration of hypertension, years	0.51	0.05	0.2	0.02	0.27	0.04
Menopause, years	0.17	0.3	− 0.06	0.5	0.13	0.3
Body Mass Index, kg/m²	0.07	0.6	0.23	0.02	0.25	0.05
Waist circumference, cm	0.36	0.01	0.31	0.002	0.29	0.02
Fat mass, %	0.25	0.07	0.003	0.9	0.39	0.002
Total-cholesterol, mmol/L	0.41	0.003	0.33	0.001	0.79	< 0.001
HDL-cholesterol, mmol/L	− 0.41	0.003	− 0.41	< 0.001	− 0.04	0.7
LDL-cholesterol, mmol/L	− 0.09	0.4	0.25	0.01	0.3	0.01
Uric acid, mmol/L	0.37	0.008	0.24	0.01	0.4	< 0.001
Disease activity index	–	–	0.15	0.1	0.06	0.6

Italic values indicate significance of p value (p < 0.05)
Association between variables were calculated by Pearson`s correlation; HDL-cholesterol high density lipoprotein-cholesterol, LDL-cholesterol low density lipoprotein-cholesterol, Disease activity index: DAS-28 for RA group and SLEDAI for SLE group

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