|
Characteristics by case-control status. |
|||
| 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 |
|
* Two cases and one control could not recall their last OCP use, therefore cases N = 222 and controls N = 210. | |||
Cole et al. BMC Neurology 2007 7:37 doi:10.1186/1471-2377-7-37 |
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