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Table 3 Prevalence and odds-ratios (OR) with 95% confidence intervals of previously known type 2 diabetes (T2D), screen-detected type 2 diabetes (ST2D), total type 2 diabetes (TT2D), impaired glucose tolerance (IGT), impaired fasting glucose (IFG), abnormal glucose tolerance (AGT = TT2D, IGT or IFG) of the study sample according to BMI category and gender.

From: High prevalence of obesity, central obesity and abnormal glucose tolerance in the middle-aged Finnish population

  MEN WOMEN
  BMI BMI
  < 25 25–29 = 30 p* < 25 25–29 = 30 p*
n 355 684 325   494 550 417  
T2D, % 2.8 5.8 18.2 < 0.001 1.8 4.0 8.9 < 0.001
OR† 1.0 (ref) 2.05
(1.01–4.17)
7.59
(3.79–15.20)
  1.0 (ref) 2.04
(0.92–4.49)
4.63
(2.20–9.77)
 
ST2D, % 7.0 6.4 17.5 < 0.001 2.6 8.2 12.5 < 0.001
OR 1.0 (ref) 0.90
(0.54–1.50)
2.81
(1.70–4.65)
  1.0 (ref) 2.92
(1.55–5.51)
4.60
(2.45–8.62)
 
TT2D, % 9.9 12.3 35.7 < 0.001 4.5 12.2 21.3 < 0.001
OR 1.0 (ref) 1.25
(0.82–1.91)
5.27
(3.43–8.07)
  1.0 (ref) 2.67
(1.61–4.41)
5.16
(3.15–8.45)
 
IGT, % 10.4 17.1 19.7 0.004 10.1 16.9 24.5 < 0.001
OR 1.0 (ref) 1.78
(1.19–2.65)
2.06
(1.32–3.22)
  1.0 (ref) 1.63
(1.12–2.38)
2.58
(1.77–3.75)
 
IFG, % 5.9 9.2 13.5 0.002 2.0 4.5 8.6 < 0.001
OR 1.0 (ref) 1.65
(0.99–2.76)
2.63
(1.52–4.54)
  1.0 (ref) 2.38
(1.13–5.02)
4.79
(2.33–9.83)
 
AGT, % 26.2 38.6 68.9 < 0.001 16.6 33.6 54.4 < 0.001
OR 1.0 (ref) 1.80
(1.34–2.42)
6.94
(4.88–9.85)
  1.0 (ref) 2.34
(1.72–3.17)
5.69
(4.15–7.80)
 
  1. *Likelihood-ratio test of equality, adjusted for age. †Age and geographical area adjusted odds ratios with 95% confidence intervals.
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