Diagnostic Model of In-Hospital Mortality in Patients with Acute ST-Segment Elevation Myocardial Infarction Used Artificial Intelligence Methods

Table 2

Predictor of in-hospital mortality obtained from multivariable logistic regression models in the training datasets.

In-hospital mortality	Odds ratio					Coef
	Odds ratio	Std. error	z	P > z	95% Conf. interval	Coef.	Std. error	z	P > z	95% CI Conf. interval
Age	1.035432	0.0013867	26.00	<0.001	1.032718∼1.038153	0.0348187	0.0013393	26.00	<0.001	0.0321938∼0.0374436
Female sex	1.110608	0.0393301	2.96	0.003	1.036136∼1.190431	0.1049072	0.0354132	2.96	0.003	0.0354987∼0.1743157
Medical history
Hypertension	0.7176797	0.0262568	−9.07	<0.001	0.668019∼0.7710321	−0.331732	0.0365857	−9.07	<0.001	−0.4034387∼−0.2600253
Old myocardial infarction	0.8129311	0.0448676	−3.75	<0.001	0.7295817∼9058027	−0.2071089	0.0551924	−3.75	<0.001	−0.315284∼−0.0989338
Diabetes	1.383109	0.08354	5.37	<0.001	1.228694∼1.55693	0.3243337	0.0604002	5.37	<0.001	0.2059515∼–0.4427159
Cardiogenic shock	7.635366	0.3090266	50.23	<0.001	7.053085∼8.265718	2.032791	0.0404731	50.23	<0.001	1.953465∼–2.112117
AF^a	0.6754272	0.0420343	−6.31	<0.001	0.5978678∼0.7630481	−0.3924099	0.0622336	−6.31	<0.001	−0.5143855∼–−0.2704342
VF^b	3.479356	0.1777195	24.41	<0.001	3.147901∼–3.845713	1.246847	0.0510783	24.41	<0.001	1.146736∼–1.346959
In-hospital bleeding	2.466731	0.1898968	11.73	<0.001	2.121258∼–2.868468	0.9028937	0.0769832	11.73	<0.001	0.7520094∼–1.053778
III AVB^c	1.263896	0.1131563	2.62	0.009	1.060483∼–1.506327	0.2341991	0.0895297	2.62	0.009	0.058724∼–0.4096741
PCI^d	0.1650676	0.0063145	−47.09	<0.001	0.1531441∼–0.1779195	−1.8014	0.0382538	−47.09	<0.001	−1.876376∼−1.726424
CABG^e	0.1784059	0.0171668	−17.91	<0.001	0.1477419∼–0.2154342	−1.723694	0.0962234	−17.91	<0.001	−1.912288∼−1.5351
_cons	0.020919	0.0020729	−39.02	<0.001	0.0172263∼–0.0254033	−3.867096	0.0990936	−39.02	<0.001	−4.061316∼−3.672876

^aAF, atrial fibrillation. ^bVF, ventricular fibrillation. ^cAVB, atrioventricular block. ^dPCI, underwent percutaneous coronary intervention during hospitalization. ^eCABG, underwent coronary artery bypass grafting during hospitalization.