Table 2—

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

Inflammatory markerDiabetesIFG/IGTNGTP value
n6507871,246
CRP (mg/l)
    Quartiles (%)
        ≤1.020.024.528.2*
        1.1–1.6721.423.827.8
        1.68–3.1124.226.724.1
        >3.1134.525.020.0
    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 (%)
        ≤1.2815.424.030.7*
        1.29–1.8523.125.325.8
        1.86–2.8428.623.823.9
        >2.8432.926.919.6
    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 (%)
        ≤2.4520.326.326.7*
        2.46–3.1722.322.627.9
        3.18–4.1124.626.724.1
>4.1132.824.421.3
    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.