Table 1.

Demographic Data from Medical Record by Group

	ENROLLED	MATCHED	DECLINED
Number of subjects	45	45	57
Mean (SD) age (years)	66.0 (14.5)	65.9 (14.7)	66.35 (14.1)
Percentage female	48.9%	48.9%	36.8%
Percentage white	51.1%	51.1%	50.9%
Percentage Native American	31.1%	31.1%	36.8%
Percentage Hispanic	15.6%	15.6%	10.5%

SD, standard deviation.