Table 1. Two published studies examining embolic risk in thyrotoxicosis

Bar Sela et al. (10 ) Peterson and Hansen (8 )

Total no. in study 142 610
Number in AF (% of total) 30 (21%)1 91 (15%)
Number in SR (% of total) 112 (79%) 519 (85%)
Frequency of embolic events
 In AF (%) 12 of 30 (40%) 12 of 91 (13%)2
 In SR (%) 0 of 112 (0%) 15 of 519 (3%)

SR, Sinus rhythm.

1 Mean age of AF patients significantly higher than those in SR (56 vs. 39 yr, P < 0.01).

2 P = 0.03 compared with those in SR.