Table 2.

Group Baseline Characteristics

	Exposure		Control		Registry
	N	%	N	%	N	%
Total	1,185	100.0	4,740	100.0	14,275	100.0
Female	603	50.9	2,412	50.9	7,170	50.2
Age
18–29	52	4.4	208	4.4	787	5.5
30–39	74	6.2	296	6.2	929	6.5
40–49	199	16.8	796	16.8	2,049	14.4
50–59	264	22.3	1,056	22.3	3,053	21.4
60–69	296	25.0	1,184	25.0	3,249	22.8
70–79	219	18.5	876	18.5	2,995	21.0
80+	81	6.8	324	6.8	1,213	8.5
Mean (SD), years	59.9 (15)		59.8 (15)		60.1 (16)
Race*
American Indian	2	0.2	11	0.2	28	0.2
Asian/Pacific Islander	22	1.9	111	2.4	301	2.1
Black	9	0.8	30	0.7	123	0.9
Hispanic	67	5.7	15	6.4	918	6.4
Unknown	26	2.2	106	2.2	1,268	8.9
Caucasian	1,059	89.4	3,718	88.5	11,637	81.5
Risk score
1	867	73.2	3,468	73.2	10,031	70.3
2	264	22.3	1,056	22.3	3,717	26.0
3+	53	4.5	212	4.5	527	3.7
	Exposure		Control		Registry
	HbA1c (%)	LDL (%)	HbA1c (%)	LDL (%)	HbA1c (%)	LDL (%)
Testing history
Unknown	0.9	6.9	0.9	6.9	8.5	15.2
Not tested	11.5	11.2	11.5	11.2	11.9	19.8
Irregular	34.3	32.1	34.3	32.1	28.2	31.8
Regular	53.2	49.8	53.2	49.8	51.4	33.1
Control history
Unknown	11.8	17.6	11.8	17.6	20.2	34.4
Uncontrolled	44.6	40.3	44.6	40.3	45.3	34.7
Controlled	43.6	42.2	43.6	42.2	34.6	30.9

^*Race was not a matching variable; the race distribution between control and exposure groups was not significantly different.

HbAlc, glycosylated hemoglobin; LDL, low-density lipoprotein