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Table 1 Characteristics by case-control status.

From: Neuroserpin polymorphisms and stroke risk in a biracial population: the stroke prevention in young women study

 

Cases (N = 224)

Controls (N = 211)

p-value

Mean age (years)

41.7

39.6

0.0026

African-American (%)

47.3

43.1

0.579

Hypertension (%)

41.1

14.2

<.0001

Diabetes mellitus (%)

17.9

6.2

0.0002

Current smokers (%)

47.8

23.7

<.0001

Angina/MI (%)

11.6

2.8

0.0005

OCP (%)*

12.2

6.2

0.032

  1. * Two cases and one control could not recall their last OCP use, therefore cases N = 222 and controls N = 210.