Table 3.

Safety profile in national registries

	UK [17]	Poland [19]	Italy [20]	Canada [21]
Patients (n)	1279	302	324	261
Adverse events (%)	7.4	N/A	N/A	N/A
Bleeding (%)	5.9	6	9	N/A
Serious bleeding (%)	N/A	1.7	4	10

Only the four published national registries in which safety analyses were consistent or part of the objectives of the study are listed here. Note that different definitions were used for bleeding and serious bleeding among registries, and these were also different between registries and controlled clinical trials. N/A = Not available.