Table 1.

Parameters of door-to-balloon time.

Parameters	Median time (minutes)	Interquartile range (IQR)a
Median DTB time	79	59–115
Door-to-ECG time	2	1–2
Door-to-catheterization laboratory entry time	55	38–83
Catheterization laboratory entry time to first shot time	6	4–9
First shot-to-balloon time	13	10–18

DTB, door-to-balloon; ECG, electrocardiogram.

^aIQR is 25th–50th percentile.