Table 2.

Baseline characteristics of patients with and without gout

Demographic data	Patients with Gout n = 7900		Patients without Gout n = 7900		P value
	n	%	n	%
Age (years)a	50 (40–64)		50 (40–64)
≥ 65	1791	11.5	1791	11.5	.999
< 65	6109	88.6	6109	88.6
Sex
Male	5409	83.9	5409	83.9	.999
Female	2491	16.1	2491	16.1
Comorbidities
Diabetes mellitus	1664	9.6	950	4.5	<.001*
Hypertension	3240	24.3	1887	9.8	<.001*
Dyslipidemia	2230	14.0	1000	4.8	<.001*
Cerebrovascular disease	1147	6.9	829	3.7	<.001*
Chronic lung disease	989	4.9	684	1.9	<.001*
Nephropathy	1219	5.9	661	2.8	<.001*
Chronic liver disease	2713	19.4	1638	8.7	<.001*
Autoimmune disease	316	2.2	163	1.2	<.001*
Degree of urbanization					<.001*
Urban	4186	56.9	4552	62.2
Suburban	2853	35.2	2694	32.0
Rural	861	7.9	654	5.8
Income group					.023*
High income	984	15.6	1007	17.0
Medium income	1314	49.2	1261	50.4
Low income	4184	19.9	4073	17.8
No income	1418	15.4	1559	14.8
Follow-up yearsa	13.36 (13.04–13.65)		13.36 (13.04–13.63)		.005*

^a indicates Median (interquartile range); * indicates statistical significance