Table 2

Prevalence (%, 95% CI) of diabetes and status of diagnosis, treatment, and control in various age groups

Age groupNumbersDiabetes (known and/or fasting glucose >126 mg/dL)Known diabetesUndiagnosedTreatmentControl, fasting glucose ≤130 mg/dL
<304174.7 (2.7 to 6.7)30.0 (27.3 to 32.7)70.0 (64.8 to 75.2)15.0 (12.6 to 17.5)35.0 (30.4 to 39.6)
30–3997611.7 (9.7 to 13.7)58.8 (55.9 to 61.7)41.2 (35.6 to 46.8)37.7 (34.4 to 40.9)34.2 (31.2 to 37.2)
40–49144523.4 (21.2 to 25.6)75.7 (73.2 to 78.2)24.3 (19.4 to 29.2)53.8 (50.4 to 57.1)38.1 (35.6 to 40.6)
50–59131334.8 (32.2 to 37.4)82.7 (80.5 to 84.9)17.2 (12.9 to 21.5)63.0 (59.7 to 66.2)43.3 (40.6 to 46.0)
60–6985938.7 (35.4 to 41.9)85.2 (83.1 to 87.3)14.7 (10.7 to 18.7)70.9 (67.8 to 73.9)42.0 (38.7 to 45.3)
70+34941.2 (36.0 to 46.4)81.9 (79.6 to 84.2)22.8 (18.0 to 22.6)67.4 (64.2 to 70.5)46.5 (41.3 to 51.7)
Age-adjusted535915.7 (14.7 to 16.7)72.4 (69.6 to 75.2)27.6 (24.8 to 30.4)54.1 (51.0 to 57.2)39.6 (36.5 to 42.7)