Table 5.

Multivariate regression coefficients for frequency of gout flare analysis with detailed SUA categories.

Independent Variable	Coefficient	Change in no. of Flares, %	p
Intercept	1.089	197.1	0.058
SUA level, mg/dl
< 3	−0.862	−57.8	0.006^**
3 to 3.99	−1.142	−68.1	< 0.0001^**
4 to 4.99	−0.905	−59.5	< 0.0001^**
5 to 5.99	−0.897	−59.2	< 0.0001^**
6 to 6.99	−0.610	−45.7	< 0.0001^**
7 to 7.99	−0.311	−26.8	0.006^**
8 to 8.99	−0.241	−21.4	0.041^*
9 to 9.99	−0.143	−13.3	0.256
≥ 10	—	—	—
Index year
2001	−0.301	−26.0	0.011^*
2002	−0.214	−19.3	0.051
2003	−0.073	−7.0	0.489
2004	—	—	—
Demographic
Age at SUA index year	−0.014	−1.4	0.066
Male	0.048	4.9	0.526
Prior comorbidities
Hypertension	−0.047	−4.6	0.518
Diabetes	−0.292	−25.3	0.001^**
Hyperlipidemia	−0.042	−4.1	0.528
Renal impairment	0.181	19.9	0.055
Rheumatoid arthritis	0.716	104.7	< 0.0001^**
Lupus	−0.187	−17.0	0.824
Deyo-Charlson comorbidity index	0.004	0.4	0.849
HMO indicator (vs non-HMO)	0.132	14.1	0.111
Dispersion	0.573