Table 1:

Comparison of baseline characteristics between the overall and matched study population

Characteristics	Overall^{^a}				Matched^{^b}
Characteristics	Total (n = 2189)	AD Group (n = 71)	Controls (n = 2118)	P Value	Total (n = 162)	AD Group (n = 54)	Controls (n = 108)	P Value
Presence of IA (No.) (%)	93 (4.25)	14 (19.72)	79 (3.73)	<.0001	9 (5.55)	7 (12.96)	2 (1.85)	.022
Age (mean)	54.03 ± 9.78	58.66 ± 13.6	53.87 ± 9.59	.004	59.20 ± 11.73	58.98 ± 13.09	59.31 ± 11.05	.808
Female sex (No.) (%)	963 (43.99)	33 (46.48)	930 (43.91)	.668	67 (41.36)	24 (44.44)	43 (39.81)	.189
Hypertension (No.) (%)	665 (30.38)	43 (60.56)	622 (29.37)	<.0001	67 (41.36)	24 (44.44)	43 (39.81)	.43
DM (No.) (%)	246 (11.24)	5 (7.04)	241 (11.38)	.255	97 (59.88)	31 (57.41)	66 (61.11)	.436
Hyperlipidemia (No.) (%)	191 (8.73)	2 (2.82)	189 (8.92)	.073	15 (9.26)	4 (7.41)	11 (10.19)	.313
CVD (No.) (%)	35 (1.6)	15 (21.13)	20 (0.94)	<.0001	5 (3.09)	1 (1.85)	4 (3.7)	>.9999
Smoking (No.) (%)	725 (33.12)	15 (21.13)	710 (33.52)	.087	127 (78.39)	43 (79.63)	84 (77.78)	0.732

Note:—DM indicates diabetes mellitus; CVD, cerebrovascular disease.
↵a P values before matching were calculated with a χ² or independent 2-sample t test.
↵b P values after matching were calculated with the McNemar or paired t test.