Table 4. Hazard ratios and 95% confidence intervals for men and women calculated by Cox regression.

Event	SUA	Model 1	Model 2	Model 3	Model 4
All-cause mortality, men	Q1	1 (ref)	1 (ref)	1 (ref)	1 (ref)
	Q2	1.01 (0.78–1.30)	0.96 (0.75–1.24)	0.90 (0.70–1.16)	0.90 (0.69–1.16)
	Q3	1.15 (0.90–1.47)	1.08 (0.84–1.39)	0.95 (0.74–1.22)	0.97 (0.75–1.25)
	Q4	1.55 (1.23–1.96) *	1.47 (1.16–1.85) *	1.08 (0.85–1.38)	1.10 (0.85–1.42)
All–cause mortality, women	Q1	1 (ref)	1 (ref)	1 (ref)	1 (ref)
	Q2	0.82 (0.55–1.23)	0.80 (0.54–1.20)	0.74 (0.49–1.10)	0.75 (0.50–1.13)
	Q3	1.11 (0.76–1.61)	1.08 (0.73–1.56)	0.93 (0.64–1.35)	0.88 (0.60–1.30)
	Q4	2.35 (1.70–3.25) *	2.17 (1.57–3.00) *	1.62 (1.16–2.25) *	1.47 (1.02–2.12) *

Cut off points for quartiles: see Table 2. Ref = reference. Hazard ratios (95% confidence intervals).

^*Hazard ratios with p-values less than 0.05 are written in bold letters.

Model 1: uric acid.

Model 2: model 1+ age.

Model 3: model 2+ baseline serum creatinine and diuretics use.

Model 4: model 3+ baseline values of cholesterol, HDL-C, LDL-C, BMI, glucose, triglyceride, history of only diabetes/both diabetes and cardiovascular disease/only cardiovascular disease, history of congestive heart failure, systolic blood pressure, diastolic blood pressure, waist-hip ratio, tobacco use, alcohol use, beta-blocker use, statin use, aspirin use and sibutramine use.