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Table 3 Frequency of the THBD Ala455Val AA genotype in cases and controls (proportion with AA genotype in parentheses) as stratified by race and other stroke risk factors; with associated crude and adjusted odds ratios

From: Thrombomodulin Ala455Val Polymorphism and the risk of cerebral infarction in a biracial population: the Stroke Prevention in Young Women Study

Risk Factor

Percentage of cases with the AA genotype (proportion)

Percentage of Controls with the AA genotype (proportion)

Crude OR ^ (95% CI)

Adjusted OR*^ (95% CI)

White

79% (62/79)

68% (93/137)

1.7 (0.9–3.3)

1.6 (0.8–3.2)

Black

87% (54/62)

81% (59/73)

1.8 (0.4–7.9)

2.7 (0.9–8.0)

Current smoking

84% (54/64)

71% (40/56)

2.2 (0.9–5.3)

3.0 (1.1–7.8)

No current smoking

81% (62/77)

73% (112/154)

1.6 (0.8–3.0)

1.5 (0.7–2.9)

Hypertension

85% (33/39)

61% (17/28)

3.6 (1.1–11.3)

5.7 (1.4–22.6)

No hypertension

81% (83/102)

74% (135/182)

1.5 (0.8–2.8)

1.6 (0.8–3.0)

Diabetes**

84% (16/19)

86% (6/7)

Not performed

Not performed

No Diabetes

82% (100/122)

72% (146/203)

1.8 (1.0–3.1)

1.9 (1.1–3.4)

Angina/MI **

86% (18/21)

56% (5/9)

Not performed

Not performed

No Angina/MI

82% (98/120)

73% (147/201)

1.6 (0.9–2.9)

1.7 (.95–3.1)

Overall

82% (116/141)

72% (152/210)

1.8 (1.1–3.0)

1.9 (1.1–3.3)

  1. * Each variable adjusted for age, race, smoking, hypertension, and diabetes (less the stratified variable). Overall model and Angina/MI adjusted for age, race, smoking, hypertension, and diabetes. Including Angina/MI in adjusted overall model demonstrated no change in association (OR = 1.9 95% CI = 1.1–3.3).
  2. ** Insufficient sample size to perform diabetic or angina/MI analyses.
  3. ^ The combined AV and VV genotypes within each strata serve as the reference group in all analyses, with the crude OR and adjusted OR assigned a reference value of 1.0.