Table 3.

Participants With Events Observed and Imputed (Across the 10 Observed and Imputed Data Sets), REGARDS Study, 2008–2009

	Approach 1: Data up to October 1, 2008					Approach 2: Data up to October 1, 2009
	No. of Events	Event Type				No. of Events	Event Type
		Observed		Imputed			Observed		Imputed
		No.	%	No.	%		No.	%	No.	%
All	518.0	448.8	86.6	69.2	13.4	626.3	485.0	77.4	141.3	22.6
Reason for record retrieval
Reported stroke	292.4	251.8	86.1	40.6	13.9	349.4	273.3	78.2	76.1	21.8
Reported transient ischemic attack	121.1	109.0	90.0	12.1	10.0	151.9	118.7	78.1	33.2	21.9
Stroke symptom	27.7	25.0	90.3	2.7	9.7	28.6	26.0	90.9	2.6	9.1
Death	23.0	23.0	100.0	0	0.0	26.9	25.0	92.9	1.9	7.1
Hospitalized for other reasons	15.3	13.0	85.0	2.3	15.0	16.4	13.0	79.3	3.4	20.7
Incapacitation	32.5	21.0	64.6	11.5	35.4	46.1	22.0	47.7	24.1	52.3
Miscellaneous	6.0	6.0	100.0	0	0.0	7.0	7	100.0	0	0.0

Abbreviation: REGARDS, REasons for Geographic And Racial Differences in Stroke.