Impact of around-the-clock in-house cardiology fellow coverage on door-to-balloon time in an academic medical center

Figures & data

Table 1 Characteristics before and after night float cardiology fellow coverage

Variables	Before N=118	After N=90	p-value
Age (years, mean ± SD)	59±14	60±14	0.618
Male gender	86 (73%)	63 (70%)	0.648
Body mass index (kg/m^2)	29±6	30±6	0.675
Hypertension	78 (66%)	50 (56%)	0.121
Hyperlipidemia	52 (44%)	29 (32%)	0.083
Diabetes mellitus	37 (32%)	23 (26%)	0.360
Tobacco use	46 (39%)	24 (27%)	0.063
Peripheral vascular disease	11 (9%)	5 (6%)	0.313
Fluoroscopy time (minutes)	12±8	11±5	0.773
Symptom onset to ED arrival time (minutes)	150±102	154±122	0.758
Door-to-access time (minutes)	57±21	34±17	<0.0001
Regular hours	35±17	36±18	0.474
Off-hours	57±21	41±19	0.032
Arterial access to device time (minutes)	12±8	11±7	0.230
Door-to-balloon (first device) time (minutes)	69±22	49±21	<0.0001
Regular hours	50±32	52±34	0.681
Off-hours	72±33	49±15	0.007
Need for intra-aortic balloon pump	8 (7%)	7 (8%)	0.793
In-hospital death	13 (11%)	7 (8%)	0.484

Notes: Data are expressed as number (percentage), and as mean ± SD.

Abbreviations: ED, emergency department; SD, standard deviation.