Table 2.

Clinical and demographic characteristics according to the presence of heart failure.

	Non-HF Group		HF Group		Total		p
	n	%	n	%	n	%
Mean age (SD)	83.5	±7.1	86.1	±6.3	83.7	±7	<0.001
Women	169,543	77.2	10,406	77.6	179,949	77.2	0.271
History of PTCA	2215	1.0	181	1.3	2396	1.0	<0.001
History of CABG	1111	0.5	81	0.6	1192	0.5	0.221
Stroke	756	0.3	111	0.8	867	0.4	<0.001
Pulmonary thromboembolism	378	0.2	94	0.7	472	0.2	<0.001
Acute pulmonary edema or cardiogenic shock	5164	2.3	2439	18.2	7603	3.3	<0.001
Chronic atherosclerosis	15,912	7.2	1774	13.2	17,686	7.6	<0.001
Cardio-respiratory failure and shock	5625	2.6	2508	18.7	8133	3.5	<0.001
Valvular and rheumatic heart disease	7608	3.5	1742	13.0	9350	4.0	<0.001
Hypertension	118,243	53.8	7788	58.0	126,031	54.1	<0.001
Renal failure	17,509	8.0	3532	26.3	21,041	9.0	<0.001
COPD	14,278	6.5	1767	13.2	16,045	6.9	<0.001
Pneumonia	31,601	14.4	3298	24.6	34,899	15.0	<0.001
Diabetes Mellitus and complications	52,006	23.7	3753	28.0	55,759	23.9	<0.001
Protein_calorie malnutrition	4501	2.0	630	4.7	5131	2.2	<0.001
Dementia and senility	44,402	20.2	2991	22.3	47,393	20.3	<0.001
Hemiplegia, paraplegia, paralysis, functional disability 67–69, 100–102, 177–178	5715	2.6	348	2.6	6063	2.6	0.961
Peripheral vascular disease	125,538	57.1	9169	68.3	134,707	57.8	<0.001
Severe cancers	2619	1.2	192	1.4	2811	1.2	0.014
Trauma CC154–156, 158–161	8143	3.7	603	4.5	8746	3.8	<0.001
Mayor psychiatric disorders	2319	1.1	149	1.1	2468	1.1	0.544
Chronic liver disease	849	0.4	58	0.4	907	0.4	0.406

Number of episodes (N); percutaneous transluminal coronary angioplasty (PCTA); coronary artery bypass grafting (CABG), chronic obstructive pulmonary disease (COPD).