Table 2.

Mean fasting and two-hour glucose divided by diagnostic category

Diagnosis	Fasting glucose, mean ± SD (95% CI)	Two-hour glucose, mean ± SD (95% CI)
Normal	93.63 ± 3.7 mg/dL (92.2–95.01)	110.83 ± 19.5 mg/dL (103.5–118.1)
Impaired fasting glucose	109.83 ± 7.75 mg/dL (107.5–112.0)	115.19 ± 22.71 mg/dL (108.5–121.7)
Glucose intolerance	108.63 ± 7.33 mg/dL (106.6–110.6)	164.1 ± 18.96 mg/dL (158.9–169.2)
Diabetes mellitus	130.9 ± 15.9 mg/dL (126.3–135.5)	223.48 ± 63.1 mg/dL (205.1–241.82)

Abbreviations: CI, confidence interval; SD, standard deviation.