Table 1. Clinical characteristics and echocardiographic parameters Table 1. Clinical characteristics and echocardiographic parameters Table 1. Clinical characteristics and echocardiographic parameters Table 1. Clinical characteristics and echocardiographic parameters Table 1. Clinical characteristics and echocardiographic parameters
Variables Total (n=28) SIG (n=10) non-SIG (n=18) P Value
Age, years, mean (SD) 69.5 (9.2) 69.9 (10.0) 69.3 (9.0) 0.77
Sex, men proportion, % 79% 60% 89% 0.08
BMI, kg/m2, mean (SD) 24.8 (4.5) 24.9 (5.5) 24.8 (4.1) 0.49
Paroxysmal AF/Persistent AF % 61% / 39% 30% / 70% 78% / 22% 0.01
LA size, mm, mean (SD) 40.5 (7.2) 42.1 (6.5) 39.7 (7.6) 0.15
LVEF, %, mean (SD) 52.0 (6.8) 54.1 (5.1) 50.8 (7.4) 0.31
Medication (Vaughan-Williams classification) Medication (Vaughan-Williams classification) Medication (Vaughan-Williams classification) Medication (Vaughan-Williams classification) Medication (Vaughan-Williams classification)
None 12/28 4/10 8/18 0.82
ClassⅠ 0/28 0/10 0/18 -
ClassⅡ 13/28 6/10 7/18 0.29
ClassⅢ 1/28 0/10 1/18 0.46
ClassⅣ 5/28 0/10 5/18 0.07
SIG was associated with a higher proportion of patients with persistent AF. Other parameters were not significantly different between the two group. Abbreviations: AF, atrial fibrillation; BMI, body mass index; LA, left atrium; LVEF, left ventricle ejection fraction; non-SIG, non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group; SVC, superior vena cava SIG was associated with a higher proportion of patients with persistent AF. Other parameters were not significantly different between the two group. Abbreviations: AF, atrial fibrillation; BMI, body mass index; LA, left atrium; LVEF, left ventricle ejection fraction; non-SIG, non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group; SVC, superior vena cava SIG was associated with a higher proportion of patients with persistent AF. Other parameters were not significantly different between the two group. Abbreviations: AF, atrial fibrillation; BMI, body mass index; LA, left atrium; LVEF, left ventricle ejection fraction; non-SIG, non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group; SVC, superior vena cava SIG was associated with a higher proportion of patients with persistent AF. Other parameters were not significantly different between the two group. Abbreviations: AF, atrial fibrillation; BMI, body mass index; LA, left atrium; LVEF, left ventricle ejection fraction; non-SIG, non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group; SVC, superior vena cava SIG was associated with a higher proportion of patients with persistent AF. Other parameters were not significantly different between the two group. Abbreviations: AF, atrial fibrillation; BMI, body mass index; LA, left atrium; LVEF, left ventricle ejection fraction; non-SIG, non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group; SVC, superior vena cava