Table 2.

Paired chi-square analysis results (n = 52).

Pair	Name	Admission diagnosis						Total	χ 2	p
		Coronary atherosclerotic heart disease	Heart failure	Myocarditis	Heart disease	Acute myocardial infarction	Anonymous
Lapse	Other	0	0	0	6	7	1	14	49.333	≤0.001∗∗
	Improve	4	0	1	16	8	1	30
	Not cured	0	2	0	1	2	3	8
	4.0	0	0	0	0	0	0	0
	5.0	0	0	0	0	0	0	0
	6.0	0	0	0	0	0	0	0
Total		4	2	1	23	17	5	52

^∗∗p < 0.01.