Table 1. Baseline Characteristicsa
Overall (N=229 108)Transradial Access (n=35 979)Transfemoral Access (n=193 129)
Demographics
Age in y, median (IQR)64 (59–70)64 (59–68)64 (60–70)
Male97.096.897.0
Race
White79.274.880.0
Black13.918.113.1
Other6.97.16.9
Hispanic4.73.64.9
BMI, median (IQR)29.9 (26.4–34.0)30.3 (26.7–35.1)29.8 (26.4–33.9)
Past medical history
Past MI32.730.233.1
Past CHF26.425.026.6
Past CVA16.115.616.2
Past PCI32.430.032.8
Past CABG21.811.723.7
Hypertension88.289.488.0
Diabetes mellitus45.246.345.0
Dyslipidemia86.586.786.5
PAD18.420.418.1
COPD22.221.422.4
PTSD17.420.816.7
Depression31.533.231.1
Sleep apnea20.825.120.0
Presenting features
Acute coronary syndrome20.318.620.6
Heart failure6.05.66.1
Cardiogenic shock within 24 hours
Systolic BP on presentation132 (123–141)133 (124–142)132 (123–141)
Heart rate on presentation69 (61–80)70 (62–80)69 (61–79)
Hemoglobin, g/dL13.7 (12.5–14.7)13.7 (12.5–14.7)13.8 (12.6–14.8)
Creatinine1.0 (0.9–1.2)1.0 (0.9–1.2)1.0 (0.9–1.2)
Procedural features
Fluoroscopy time6.1 (3.5–11.2)7.2 (4.4–12.3)6.0 (3.3–11.0)
Contrast volume, mL100 (70–136)85.0 (60.0–125.0)100 (70–140)
LV ventriculography38.733.839.6
  • BMI indicates body mass index; BP, blood pressure; CABG, coronary artery bypass graft surgery; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; CVA, cerebrovascular accident; IQR, interquartile range; LV, left ventricular; MI, myocardial infarction; PAD, peripheral artery disease; PCI, percutaneous coronary intervention; PTSD, post‐traumatic stress disorder.

  • a Data are expressed as percentage of patients for categorical variables, median (interquartile range) for continuous variables.