Table 1.

Basic information of the sample.

Diseases	Variable		URRMI Group		UEBMI group
			Frequency	Proportion (%)	Frequency	Proportion (%)
CI	Gender	Male	5,018	73.6%	5,029	73.7%
		Female	1804	26.4%	1793	26.3%
	Age	<50	306	4.5%	296	4.3%
		50–60	1,070	15.7%	1,024	15.0%
		60–70	1940	28.4%	1799	26.4%
		70–80	2,524	37.0%	2,555	37.5%
		>80	982	14.4%	1,148	16.8%
CAD	Gender	Male	5,546	66.6%	5,544	66.6%
		Female	2,782	33.4%	2,784	33.4%
	Age	<50	390	4.7%	374	4.5%
		50–60	1,647	19.8%	1,418	17.0%
		60–70	2,409	28.9%	2,186	26.2%
		70–80	2,757	33.1%	2,781	33.4%
		>80	1,125	13.5%	1,569	18.8%