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Table 2 Glucometabolic parameters, OGTT results and prevalence of the metabolic syndrome in subjects with and without atrial fibrillation.

From: Prevalence of abnormal glucose metabolism in atrial fibrillation: A case control study in 75-year old subjects

  Atrial fibrillation No atrial fibriallation Chi-square/df/p or t/d.f/p
N 46 108  
HbA1c (%) 5.9 ± 0.3* 5.7 ± 0.4 1.953/139/0.05
Insulin (pmol/l) 98 ± 67 90 ± 39 0.887/120/0.38
HOMA-IR 4.35 ± 3.4 4.0 ± 1.9 0.730/120/0.47
Fasting glucose (mmol/l) 5.3 ± 0.6 5.3 ± 0.6 0.156/152/0.88
Delta 1-h glucose (mmol)l) 4.3 ± 2.2 3.9 ± 1.9 -1.299/152/0.20
Delta 2-h glucose (mmol/l) 2.0 ± 2.2 1.4 ± 1.6 -0.167/152/0.10
AUC Baseline-60 minutes 129.7 ± 65.6 116.1 ± 57.2 -1,299/152/0.20
AUC 60–120 minutes 193.2 ± 102.0* 161.1 ± 85.5 -2,010/152/0.05
OGTT results and the metabolic syndrome, n (%)
NGT 28 (60.9%) 61 (56.5%) 6.143/2/0.46
Prediabetes 12 (26.1%) 43 (39.8%)  
DM 6 (13.0%) 4 (3.7%)  
Metabolic syndrome 19 (41.3%) 34 (31.5%) 1.379/1/0.240
  1. *: p ≤ 0.05 Abbreviations: HbA1c – Haemoglobin A1c, HOMA-IR – homeostasis model assessment for insulin resistance, h – hour, AUC – area under the curve, OGTT – oral glucose tolerance test, NGT – normal glucose tolerance, DM – diabetes mellitus