Table 2

SATELLITE patient characteristics by self-reported understanding of atrial fibrillation stroke risk at baseline

AllHigh understandingNeutral or low understanding
n=988n=862n=126p Value
Demographics (n (%))
 Age, median (IQR)68.0 (61.0–76.0)68.0 (60.0–76.0)70.0 (63.0–78.0)0.0202
 Male572 (57.9)497 (57.7)75 (59.5)0.6919
 College graduate336 (34.0)300 (34.8)36 (28.6)0.0003
Risk factors (n (%))
 Congestive heart failure208 (21.1)175 (20.3)33 (26.2)0.1301
 Stroke44 (4.5)42 (4.9)2 (1.6)0.0951
 Prior MI98 (9.9)89 (10.3)9 (7.1)0.2646
 Hypertension738 (74.7)640 (74.2)98 (77.8)0.3946
 Diabetes258 (26.1)218 (25.3)40 (31.7)0.1235
 COPD115 (11.6)94 (10.9)21 (16.7)0.0597
 Smoker493 (49.9)425 (49.3)68 (54.0)0.3283
 Obstructive sleep apnoea180 (18.2)160 (18.6)20 (15.9)0.4655
Any prior cardioversions212 (21.5)194 (22.5)18 (14.3)0.0359
CHA₂DS₂-VASc score (n (%))
 Low: 053 (5.4%)48 (5.6%)5 (4.0%)0.3258
 Medium: 1143 (14.5%)127 (14.7%)16 (12.7%)
 High: 2+792 (80.2)687 (79.7%)105 (83.3%)
ORBIT (n (%))
 Low: 0–2701 (71.0)625 (72.5)76 (60.3)0.0084
 Moderate: 3113 (11.4)90 (10.4)23 (18.3)
 High: >3109 (11.0)92 (10.7)17 (13.5)
ATRIA score (n (%))
 0156 (15.8)141 (16.4)15 (11.9)0.0152
 1381 (38.6)340 (39.4)41 (32.5)
 253 (5.4)46 (5.3)7 (5.6)
 ≥3398 (40.3)335 (38.9)63 (50.0)
  • High Understanding’ of stroke risk was defined a response of Somewhat or Strongly agree to the question ‘The major risk of atrial fibrillation is stroke’.

  • ATRIA, Anticoagulation and Risk Factors in Atrial Fibrillation; COPD, chronic obstructive pulmonary disease; MI, myocardial infarction; ORBIT, Outcomes Registry for Better Informed Treatment of Atrial Fibrillation.