Table 3—

Yield of different screening strategies for the detection of type 2 diabetes and IGT

Cases of IGT + type 2 diabetes detected [n (%)]FBG measurements performed (n)OGTTs performed (n)FBG measurements per case detected (n)OGTTs per case detected (n)Total cost (Euros)Cost per case detected (Euros)
IGLOO population: prevalence of IGT + type 2 diabetes = 39.5%
    FBG, if 5.6 < FBG < 7 mmol/l, then OGTT344 (87)1,0005582.91.68,105.223.56
    FBG, if 6.1 < FBG < 7 mmol/l, then OGTT269 (68)1,0003003.71.16,14722.85
    DRS; if DRS ≥9, then FBG; if 5.6 < FBG < 7 mmol/l, then OGTT273 (69)6403802.41.45,36119.6
    DRS; if DRS ≥9, then FBG; if 6.1 < FBG < 7 mmol/l, then OGTT217 (55)6402102.91.14,070.718.75
Prevalence of IGT + type 2 diabetes = 20%
    FBG, if 5.6 < FBG < 7 mmol/l, then OGTT174 (87)1,0005585.73.28,105.246.58
    FBG, if 6.1 < FBG < 7 mmol/l, then OGTT136 (68)1,0002807.42.05,995.244.08
    DRS; if DRS ≥9, then FBG; if 5.6 < FBG < 7 mmol/l, then OGTT138 (69)5903604.32.65,015.736.35
    DRS; if DRS ≥9, then FBG; if 6.1 < FBG < 7 mmol/l, then OGTT110 (55)5901905.41.73,725.433.86
Prevalence of IGT + type 2 diabetes = 10%
    FBG, if 5.6 < FBG < 7 mmol/l, then OGTT87 (87)1,00055611.56.48,09092.99
    FBG, if 6.1<FBG<7 mmol/l, then OGTT68 (68)1,00027014.73.95,919.387.05
    DRS; if DRS ≥9, then FBG; if 5.6 < FBG < 7 mmol/l, then OGTT69 (69)5703508.35.14,862.470.47
    DRS; if DRS ≥9, then FBG; if 6.1 < FBG < 7 mmol/l, then OGTT55 (55)57018010.43.23,572.164.95
Prevalence of IGT + type 2 diabetes = 5%
    FBG, if 5.6 < FBG < 7 mmol/l, then OGTT44 (87)1,00055723.012.88,097.6184.04
    FBG, if 6.1 < FBG < 7 mmol/l, then OGTT34 (68)1,00026029.47.75,843.4171.86
    DRS; if DRS ≥9, then FBG; if 5.6 < FBG < 7 mmol/l, then OGTT35 (69)56035016.310.14,823.7137.82
    DRS; if DRS ≥9, then FBG; if 6.1 < FBG < 7 mmol/l, then OGTT28 (55)56017020.46.23,457.5123.48
  • Estimates refer to 1,000 individuals screened.