Table 1:

Characteristics of TEE Positive and TEE Negative Subjects

Characteristic	TEE Positive Patients (N = 12)	TEE Negative Patients (N = 12)	p-value
Age – yr
Median	80	61	0.0035
Interquartile range	76-84	55-73
Female sex – no. (%)	4 (33.3%)	4 (33.3%)	1.0000
CHA2DS2-VASc score
Median	4.50	2.00	0.0101
Interquartile range	4.00-5.75	0.25-3.75
GFR (ml/min) – mean ± sd	54.08 ± 14.23	65.55 ± 21.55	0.1542
Duration of atrial fibrillation - yr
Median	1.33	0.62	0.1748
Interquartile range	0.63 - 2.74	0.07 - 1.32
Type of atrial fibrillation			0.0996
Paroxysmal– no. (%)	3 (25.0%)	8 (66.7%)
Persistent/Permanent– no. (%)	8 (66.7%)	4 (33.3%)
Unspecified– no. (%)	1 (8.3%)	0 (0%)
Current smoking status – no. (%)	0 (0%)	1 (8.3%)	1.0000
Concurrent diagnosis of hypertension – no. (%)	11 (91.7%)	8 (66.7%)	0.3168
Concurrent diagnosis of diabetes – no. (%)	5 (41.7%)	0 (0%)	0.0373
Prior stroke, TIA, or thromboembolism – no. (%)	5 (41.7%)	1 (8.3%)	0.1550
Hypercoagulability – no. (%)	0 (0%)	1 (8.3%)	1.0000
Anticoagulation status			0.2174
DOAC – no. (%)	9 (75.0%)	12 (91.7%)
Warfarin – no. (%)	2 (16.7%)	0 (0%)
Warfarin INR
Median	3.30
Interquartile range	3.25 - 3.35
None – no. (%)	1 (8.3%)	0 (0%)
ASA only – no. (%)	1 (8.3%)	0 (0%)	1.0000
Antiplatelet only – no. (%)	0 (0%)	0 (0%)	1.0000
Dual Rx (anticoagulation + ASA) – no. (%)	8 (66.7%)	3 (25%)	0.0995
Triple Rx (anticoagulation + ASA + antiplatelet) – no. (%)	2 (16.7%)	1 (8.3%)	1.0000
No. of days from qualifying TEE to imaging
Median	9.50	11.00	0.4305
Interquartile range	5.00-12.00	8.00-12.75
Previous Watchman device placement – no. (%)	8 (66.7%)	0 (0%)
LAA Emptying Velocity (cm/s)
Median	14.00	35.50	0.1134
Interquartile range	11.00-64.50	19.50-52.75
LA Volume Index (ml/m2) – mean ± sd	44.95 ± 12.65	36.79 ± 13.34	0.1680