TABLE 1.

Baseline characteristics

Variables	Cases N = 223 (128 M/95 F)	Controls N = 257 (150 M/107 F)	Pb
Age (years)a
Males	75.3 ± 3.4	75.3 ± 3.2	0.97
Females	76.2 ± 3.2	76.3 ± 3.4	0.78
All	75.7 ± 3.3	75.6 ± 3.3	0.86
BMI (kg/m2)a
Males	26.7 ± 3.8	26.7 ± 3.4	0.92
Females	27.4 ± 5.0	27.3 ± 4.7	0.85
All	27.0 ± 4.3	26.9 ± 4.0	0.92
Vascular disease [n] (%)
Males	[85] (66)	[88] (59)	0.18
Females	[43] (45)	[61] (57)	0.10
All	[128] (57)	[149] (58)	0.90
Hypertension [n] (%)
Males	[67] (52)	[71] (47)	0.40
Females	[75] (79)	[76] (71)	0.20
All	[142] (64)	[147] (57)	0.15
Diabetes [n] (%)
Males	[23] (18)	[23] (15)	0.56
Females	[15] (16)	[18] (17)	0.84
All	[38] (17)	[41] (16)	0.75
Current smoker [n] (%)
Males	[39] (30)	[54] (36)	0.33
Females	[18] (19)	[16] (15)	0.45
All	[57] (26)	[70] (27)	0.68

^aValues are mean ± SD.

^bP-values from two-sample t-test or chi-square test.