In-hospital major adverse cardiovascular events after primary percutaneous coronary intervention in patients with acute ST-segment elevation myocardial infarction: a retrospective study under the China chest pain center (standard center) treatment system

Table 3 Treatment delays

Variables	Non-MACE group	MACE group	P-value
	n = 80	n = 71
S-to-FMC time, mins	110.0 (48.0, 201.8)	83.0 (50.0, 181.0)	0.455
FMC-to-ECG time, mins	2.0 (1.0, 5.0)	2.0 (1.0, 3.0)	0.092
ECG-to-I time, mins	5.0 (3.0, 7.0)	6.0 (3.0, 7.0)	0.864
cTn-to-R time, mins	18.0 (17.0, 18.0)	18.0 (17.0, 18.0)	0.518
Cath lab activation time, mins	15.0 (10.0, 20.0)	15.0 (10.0, 20.0)	0.687
D2B time, mins	65.5 (53.3, 80.0)	69.0 (56.0, 86.0)	0.176
TIT, mins	178.0 (121.0, 281.0)	175.0 (115.0, 286.0)	0.534
D2B time < 90 min, n (%)	71 (88.8)	59 (83.1)	0.316
D2B time < 60 min, n (%)	33 (41.3)	20 (28.2)	0.093

All data are described as number (percentage) or median (interquartile range). Cath lab, catheterization laboratory; cTn-to-R, cardiac troponin-to-result; D2B, door-to-balloon; ECG-to-I, electrocardiogram-to-interpretation; FMC-to-ECG, first medical contact-to-electrocardiogram; S-to-FMC, symptom-to-first medical contact; TIT, total ischemic time

ISSN: 1471-2261