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.

Roddy and Doherty Arthritis Research & Therapy 2010 12:223   doi:10.1186/ar3199