Table 2—

Plasma levels of inflammatory markers of the diabetic and the hyperglycemic groups compared with the NGT group

Inflammatory markerDiabetesIFG/IGTNGTP value
n 650 787 1,246  
CRP (mg/l)     
    Quartiles (%)     
        ≤1.0 20.0 24.5 28.2 * 
        1.1–1.67 21.4 23.8 27.8  
        1.68–3.11 24.2 26.7 24.1  
        >3.11 34.5 25.0 20.0  
    Median (25th–75th percentile) 2.15 (1.15–3.81) 1.74 (1.02–3.13) 1.47 (0.95–2.69) *§ 
IL-6 (pg/ml)     
    Quartiles (%)     
        ≤1.28 15.4 24.0 30.7 * 
        1.29–1.85 23.1 25.3 25.8  
        1.86–2.84 28.6 23.8 23.9  
        >2.84 32.9 26.9 19.6  
    Median (25th–75th percentile) 2.18 (1.5–3.23) 1.87 (1.3–2.98) 1.7 (1.15–2.51) *§ 
TNF-α (pg/ml)     
    Quartiles (%)     
        ≤2.45 20.3 26.3 26.7 * 
        2.46–3.17 22.3 22.6 27.9  
        3.18–4.11 24.6 26.7 24.1  
>4.11 32.8 24.4 21.3  
    Median (25th–75th percentile) 3.42 (2.58–4.46) 3.2 (2.41–4.08) 3.05 (2.38–3.92) *§ 
Inflammatory markerDiabetesIFG/IGTNGTP value
n 650 787 1,246  
CRP (mg/l)     
    Quartiles (%)     
        ≤1.0 20.0 24.5 28.2 * 
        1.1–1.67 21.4 23.8 27.8  
        1.68–3.11 24.2 26.7 24.1  
        >3.11 34.5 25.0 20.0  
    Median (25th–75th percentile) 2.15 (1.15–3.81) 1.74 (1.02–3.13) 1.47 (0.95–2.69) *§ 
IL-6 (pg/ml)     
    Quartiles (%)     
        ≤1.28 15.4 24.0 30.7 * 
        1.29–1.85 23.1 25.3 25.8  
        1.86–2.84 28.6 23.8 23.9  
        >2.84 32.9 26.9 19.6  
    Median (25th–75th percentile) 2.18 (1.5–3.23) 1.87 (1.3–2.98) 1.7 (1.15–2.51) *§ 
TNF-α (pg/ml)     
    Quartiles (%)     
        ≤2.45 20.3 26.3 26.7 * 
        2.46–3.17 22.3 22.6 27.9  
        3.18–4.11 24.6 26.7 24.1  
>4.11 32.8 24.4 21.3  
    Median (25th–75th percentile) 3.42 (2.58–4.46) 3.2 (2.41–4.08) 3.05 (2.38–3.92) *§ 
*

P < 0.05, comparison between diabetic and NGT populations.

P < 0.05, comparison between IFG/IGT and NGT populations.

χ2 test for categorical inflammatory markers.

§

t test based on log-transformed values.

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