Table 4.

Comparison among ischemic and non‐ischemic HF patients in term of NYHA class at hospital admission, for each period of study

	Study period (N = 112)
	NYHA Class	Ischemic HF	Non‐ischemic HF	P value
	I [N = 2 (<1%)]	0	2 (100%)	0.508
	II [N = 12 (10.7%)]	5 (42%)	7 (58%)	1
	III [N = 59 (52.6%)]	24 (41%)	35 (59%)	0.848
	IV [N = 39 (34.8%)]	18 (46.1%)	21 (53.9%)	0.55
Total	112	47 (41.9%)	65 (58.1%)
	Inter‐year period (N = 192)
	I [N = 15 (7.5%)]	4 (26%)	11 (74%)	0.183
	II [N = 42 (21.3%)]	23 (55%)	19 (45%)	0.159
	III [N = 79 (41.1%)]	35 (44%)	44 (56%)	1
	IV [N = 56 (29.1%)]	23 (41%)	33 (59%)	0.632
Total	192	85 (44%)	107 (56%)
	Intra‐year period (N = 201)
	I [N = 1 (<1%)]	0	1 (100%)	1
	II [N = 31 (15.4%)]	14 (45%)	17 (55%)	0.844
	III [N = 88 (43.7%)]	38 (43%)	50 (57%)	1
	IV [N = 81 (40.2%)]	34 (42%)	47 (58%)	0.885
Total	201	86 (42.8%)	115 (57.2%)

HF, heart failure; NYHA, New York Heart Association.