Table 2 —

Proportion of patients with risk factors for diabetes by diagnostic category

Risk factor/groupNew glucose intoleranceNew diabetesKnown diabetesNormal glucose tolerance
High blood pressure138/263 (52.5)*86/178 (48.3)*602/1,070 (56.3)*2,117/6,233 (34.0)
Elevated triglycerides66/260 (25.4)*42/173 (24.3)*341/1,043 (32.7)*906/6,117 (14.8)
Heart disease53/260 (20.4)*36/174 (20.7)253/1,020 (24.8)*752/6,082 (12.4)
Low HDL40/258 (15.5)24/175 (13.7)209/1,039 (20.1)*598/6,103 (9.8)
Previously identified IGT21/261 (8.0)*29/172 (16.9)*611/992 (61.6)*92/6,123 (1.5)
Family history135/318 (42.5)*75/203 (36.9)641/1,485 (43.2)*2,161/7,036 (30.7)
Member of high-risk ethnic group26/318 (8.2)15/203 (7.4)149/1,485 (10.0)573/7,036 (8.1)
History of gestational diabetes3/318 (0.9)8/203 (3.9)64/1,485 (4.3)*94/7,036 (1.3)
Delivered baby >10 lbs6/318 (1.9)9/203 (4.4)58/1,485 (3.9)191/7,036 (2.7)
  • Data are n (%). New glucose intolerance = impaired fasting glucose + impaired glucose tolerance + probable diabetes.

  • *

    * P < 0.001,

  • P < 0.01, and

  • P < 0.05 all compared with normal glucose tolerance.