Table 1

Proportion of cohort initiating oral anticoagulation therapy in preperiod and postperiod

Cohort	Preperiod		Postperiod		Difference	p Value
	N	Proportion	N	Proportion	Difference	p Value
Eligible AF	1359	0.268	662	0.317	0.049	0.022
Positive control	1597	0.675	1111	0.620	−0.055	0.003
Negative control	302	0.238	204	0.206	−0.032	0.398
Difference-in-difference estimate (AF-positive control)					0.104
Difference-in-difference estimate (AF-negative control)					0.081