Gout. Epidemiology of gout

Table 2 Incidence rate of gout in relation to serum uric acid levels

	Incidence rate of gout per 1,000 person-years
Serum uric acid level (mg/dl)	Normative Aging Study (men) [33]	Framingham Heart Study (men) [29]	Framingham Heart Study (women) [29]
< 5.0		0.8	0.8
5.0 to 5.9	0.8^a	3.4	2.5
6.0 to 6.9	0.9	8.0	4.2
7.0 to 7.9	4.1	17.8	13.1
8.0 to 8.9	8.4	32.9^b	27.3^b
9.0 to 9.9	43.2
≥ 10.0	70.2

^aIncidence rate for serum uric acid < 6.0 mg/dl. ^bIncidence rate for serum uric acid ≥ 8.0 mg/dl.

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