Characterization of Pulmonary Vein Dimensions Using High-Definition 64-Slice Computed Tomography prior to Radiofrequency Catheter Ablation for Atrial Fibrillation

Table 1

Patient characteristics (patient baseline and CT acquisition characteristics).

	AFib; 𝑛=50	SR; 𝑛=50
Male sex, number of patients (of total)	30 (50)	30 (50)
Age (years)	60±11	59±10
BMI (kg/m^2)	27.9±4.6	27.2±4.3
mSv	2.1±0.3	2.0±0.4
Heart rate (bpm)	55.5±2.1	69.2±1.2
Tube voltage (kV)	113±1.2	115±1.3
Tube current (mA)	645.7±4.8	632.9±5.0
Contrast volume (mL)	102.3±1.8	89.3±2.4
Beta-blocker (mg)	7.5±1.4	0

Values are given as mean ± standard deviation (SD). BMI: body mass index; SR: sinus rhythm; AFib: atrial fibrillation.