Table 3.

Association of the door-to-balloon time with patients characteristics described as dichotomous variables

Characteristics	Door-to-balloon time (minutes)		p value*
	Characteristic present	Characteristic absent
Demographic data
Female gender	190 ± 86	136 ± 49	0.01
Skin color black/mixed	48 ± 11	59 ± 12	0.58
Circumstances of care
Night shift	174 ± 68	124 ± 49	0.007
Weekends	174 ± 84	138 ± 49	0.08
Rush hour	156 ± 36	149 ± 70	0.77

^* p value calculated using the non-paired Student t test.