Table 1. The 30-day in-hospital mortality in AMI patients with or without comorbidities.

Group	Number of medical comorbidities	Number of patients (n)			Number of 30-day in-hospital death (n)			30-day in-hospital mortality (%)
		Total	Male	Female	Total	Male	Female	Total	Male	Female
Control	0	1 312	1 125	187	62	40	22	4.7	3.6	11.8
Group 1	1	1 914	1 583	331	137	107	30	7.2	6.8	9.1
Group 2	2	1 225	923	302	136	103	33	11.1	11.2	10.9
Group 3	≥3	710	502	208	144	101	43	20.3	20.1	20.7

AMI: acute myocardial infarction.