Demographic Data on 19 Patients in Group 1 (Atrial Fibrillation or Intracardiac Thrombus) and 31 Patients in Group 2 (No Cardiac Risk Factors)
| Category | Group 1, no. (and %)* (n = 19) | Group 2, no. (and %)* (n = 31) | p value |
|---|---|---|---|
| Males | 5 (26) | 12 (39) | NS |
| Mean age, yr | 76.1 | 69.4 | NS |
| Previous emboli | 5 (26) | 7 (23) | NS |
| Present warfarin use | 8 (42) | 4 (13) | < 0.05 |
| Malignanct disease | 0 | 10 (32) | < 0.05 |
| Transthoracic chocardiography | 10 (53) | 31 (100) | < 0.05 |
↵* Except where indicated
NS = not significant.