Table 2.

Prevalence of Hyperuricemia and Mean Serum Urate Levels

	Prevalence of Hyperuricemia,	Serum Urate Level, Mean (95% CI),
	% (95% CI)	mg/dL
Overall	25 (21.3–28.3)	5.5 (5.3–5.6)
Men	26 (22.8–30.0)	6.1 (5.9–6.3)
All women	23 (19.9–26.7)	4.8 (4.7–5.0)
Postmenopausal women	31 (26.8–34.2)	5.1 (4.8–5.3)
Age category, y
20–29	19 (15.6–22.0)	5.0 (4.6–5.4)
30–39	22 (18.8–25.6)	5.2 (5.0–5.5)
40–49	25 (21.5–28.5)	5.5 (5.2–5.7)
50–59	28 (23.9–31.1)	5.7 (5.4–6.0)
60–69	30 (25.9–33.3)	5.8 (5.2–6.5)

Abbreviation: CI, confidence interval.

Hyperuricemia was defined as serum urate levels >7.0 mg/dL in men and >5.7 mg/dL in women according to National Health and Nutrition Examination Survey criteria.