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Table 2 OGTT results for 209 twins and 182 singletons

From: Prevalence of impaired glucose tolerance and other types of dysglycaemia among young twins and singletons in Guinea-Bissau

  Twins Singletons RR (crude)b P crude RR (adjusted)c P adj.
N = 209 N = 182 N = 388
Fasting glucose; mmol/La 5.4 (3.2–8.4) 5.0 (3.2–11.5)   <0.001   
1-hour glucose; mmol/La 7.1 (4.3–12.8) 7.0 (4.1–13.3)   0.50   
2-hour glucose; mmol/La 6.8 (3.4–11.3) 6.2 (3.2–12.1)   <0.001   
IGTd 5/209 (2.5 %) 6/182 (3.5 %) 0.73 (0.20–2.64) 0.63 0.64 (0.18–2.32) 0.50
IFGe 25/209 (12 %) 6/182 (3.5 %) 3.63 (1.53–8.62) 0.004 4.47 (1.78–11.2) <0.001
DMf 5/209 (2.4 %) 4/182 (2.2 %) 1.09 (0.30–3.98) 0.90 1.24 (0.35–4.42) 0.35
Dysglycaemiag 35/209 (17 %) 16/182 (9 %) 1.90 (1.08–3.37) 0.03 2.01 (1.12–3.61) 0.02
  1. N is the total number of individuals in the adjusted analysis
  2. aGlucose levels expressed as medians as non-normally distributed. Diff. could not be calculated here
  3. bNo adjustment
  4. cAdjusted for age, sex, high WHR (>0.90 for males and 0.85 for females) and rainy season
  5. dImpaired Glucose Tolerance
  6. eImpaired Fasting Glucose
  7. fDiabetes Mellitus
  8. gThe test person has any of IGT, IFG or DM, or a combination