Table 4:

Subsequent prescription fills in relation to receipt of an oral anticoagulant (OAC) prescription in the emergency department

Timing and group	Univariable analysis					After propensity-score weighting
	Filled prescription, %	p value	ARI	NNT	Died, %	Filled prescription, %	p value	ARI	NNT	Died, %
At 6 mo
Received OAC prescription in ED	69.7	< 0.001	34.2	3	3.0	67.8	< 0.001	30.6	3	3.3
Did not receive OAC prescription in ED	35.5				3.4	37.2				3.6
At 1 yr
Received OAC prescription in ED	64.9	< 0.001	26.0	4	5.7	63.7	< 0.001	23.2	4	6.1
Did not receive OAC prescription in ED	38.9				5.0	40.5				5.4

Note: ARI = absolute risk increase, ED = emergency department, NNT = number needed to treat.