Prognostic value of heart failure echocardiography index in HF patients with preserved, mid-ranged and reduced ejection fraction

Table 5 Partitions of χ2 method analysis of one-year adverse event risk in patients with heart failure

Group	One-year adverse events		All	χ2	p
Group	yes	no	All	χ2	p
A	10	136	146	1.25	0.263>0.0083
B	11	90	101	1.25	0.263>0.0083
A	10	136	146	9.21	0.002<0.0083*
C	18	72	90	9.21	0.002<0.0083*
A	10	136	146	18.16	0.000<0.0083*
D	38	114	152	18.16	0.000<0.0083*
B	11	90	101	3.07	0.080>0.0083
C	18	72	90	3.07	0.080>0.0083
B	11	90	101	7.74	0.005<0.0083*
D	38	114	152	7.74	0.005<0.0083*
C	18	72	90	0.8	0.373>0.0083
D	38	114	152	0.8	0.373>0.0083

ISSN: 1471-2261