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Table 3 Comparison between patients wit Systemic Lupus Erythematosus with abnormal TyG index and normal TyG index

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

VariablesSLE
Abnormal TyG
Index
n = 28
SLE
Normal TyG
index
n = 29
p
Age (yrs) mean ± SD47.1 ± 1146.5 ± 8.60.8
Disease duration (years), mean ± SD13.0 ± 7.711.2 ± 7.70.2
Smoking, n (%)4 (14.3)5 (17.2)1.0
Sedentary lifestyle, n (%)13 (46.4)20 (69)0.08
Hypertension, n (%)10 (35.7)6 (20.7)0.2
Duration of hypertension (years), mean ± SD3.0 ± 6.41.1 ± 4.80.06
Menopause, n (%)15 (53.6)15 (51.7)0.8
Body mass index (kg/m2), mean ± SD30.0 ± 5.128.1 ± 5.10.1
Waist (cm), mean ± SD96.9 ± 12.888.7 ± 13.80.02
Total-cholesterol (mg/dL), mean ± SD214.7 ± 42.9181.0 ± 31.60.001
 Total-cholesterol (mmol/L), mean ± SD5.5 ± 1.14.6 ± 0.80.001
HDL-cholesterol (mg/dL), mean ± SD49.8 ± 14.254.2 ± 14.90.2
 HDL-cholesterol (mmol/L), mean ± SD1.2 ± 0.31.4 ± 0.30.2
LDL-cholesterol (mg/dL), mean ± SD123.9 ± 35.1108.0 ± 24.60.05
 LDL-cholesterol (mmol/L), mean ± SD3.2 ± 0.92.7 ± 0.60.05
Uric Acid(mg/dL), mean ± SD5.0 ± 1.24.3 ± 0.90.01
 Uric Acid(mmol/L), mean ± SD2.9 ± 0.72.5 ± 0.50.01
Fat mass% (DXA results), mean ± SD50.2 ± 4.546.7 ± 4.40.007
Treatments
 Corticosteroid, n (%)28 (100)26 (89.6)0.2
 Chloroquine, n (%)13 (46.8)13 (44.8)1.0
 Methotrexate, n (%)4 (14.3)5 (17.2)1.0
 Leflunomide, n (%)2 (7.1)3 (10.3)1.0
 Biologics, n (%)7 (25)6 (20.7)0.6
  1. Italic values indicate significance of p value (p < 0.05)
  2. An abnormal TyG index (TyG index > 4.68) suggests insulin resistance; HDL-cholesterol high density lipoprotein-cholesterol, LDL-cholesterol low density lipoprotein-cholesterol, DXA dual-energy X-ray absortiometry; TyG values are expressed in mean and standard deviation SD; comparisons between proportions were calculated by Χ2 test or Fisher´s exact test; comparisons between means by unpaired Student-t test; biologics included in the analysis: adalimumab, rituximab, infliximab