Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
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.
