Fasting glucose1	1h-OGTT glucose2	2h-OGTT glucose2	HbA1c3
WHO 1965 [68]	–	–	≥7,2mmol/l (≥130mg/dl)	–
NDDG 1979 [69]	≥7,8mmol/l (≥140mg/dl)	≥11,1mmol/l (≥200mg/dl)	≥11,1mmol/l (≥200mg/dl)
WHO 1980 [70]	≥8,0mmol (≥145mg/dl)	–	≥11,0mmol/l (≥198mg/dl)
WHO 1985 [71]	≥7,8mmol/l (≥140mg/dl)		≥11,1mmol/l (≥200mg/dl)
ADA 1997 [72]	≥7,0mmol/l (≥126mg/dl)
WHO 1999 [73]
ADA 2010 [74]				≥48mmol/mol (≥6,5%)
DDG 2010 [75]
WHO 2011 [76]

Abbreviations: ADA: American Diabetes Association, DDG: German Diabetes Association, NDDG: National Diabetes Data Group, WHO: World Health Organization