Table 1. Distribution of clinical data for the overall sample and stratified by the occurrence of prodromal symptoms.

A P-value of <0.05 was considered statistically significant. Data presented as N (%)

	Total (N)	Prodromal symptoms		P-value
		Yes	No
Total (N)	242	100 (41.3%)	142 (58.7%)	-
Gender
Male	174 (71.9%)	64 (64%)	110 (77.5%)	0.014
Female	68 (28.1%)	36 (36%)	32 (22.5%)
Age
<40 years	21 (8.7%)	10 (10%)	11 (7.7%)	0.446
41-60 years	157 (64.9%)	59 (59%)	98 (69%)
>60 years	64 (26.4%)	31 (31%)	33 (23.2%)
Married	239 (98.8%)	99 (99%)	140 (98.6%)	0.425
Employed	110 (45.5%)	37 (37%)	73 (51.4%)	0.009
Diagnose
ST-segment elevation myocardial infarction	179 (74%)	77 (77%)	102 (71.8%)	0.486
Non-ST-segment elevation myocardial infarction	63 (26%)	23 (23%)	40 (28.2%)
Medical history
Diabetes mellitus	66 (27.3%)	39 (39%)	27 (19%)	0.005
Hypertension	122 (50.4%)	45 (45%)	77 (54.2%)	0.171
Smoking	54 (22.3%)	15 (15%)	39 (27.5%)	0.086
Ischemic heart disease	38 (15.7%)	23 (23%)	15 (10.6%)	<0.001