Related Variables
| endarage | Age Diagnosed Carotid Surgery (Endarterectomy) | Lab Visit/Medical History | |
| endart | Carotid Surgery (Endarterectomy) | Lab Visit/Medical History | |
| n1ovrem | Surgery to remove one ovary after natural menopause | Lab Visit/Medical History | |
| n2ovrem | Surgery to remove two ovaries after natural menopause | Lab Visit/Medical History | |
| natsurno | No surgery to remove ovaries/uterus after natural menopause | Lab Visit/Medical History | |
| nosesur | Have had or been recommended for nose surgery | Lab Visit/Medical History | |
| otmasurg | Other Major Surgery | Lab Visit/Medical History | |
| ovaries | If surgery, were ovaries removed? | Lab Visit/Medical History | |
| snorsur | Have you ever had surgery for snoring or sleep apnea? | Lab Visit/Medical History | |
| surgage | Age Diagnosed Other Major Surgery: | Lab Visit/Medical History | |
| surguppp | Ever had UPPP surgery | Lab Visit/Medical History | |
| uppp | UPPP surgery recommended or undergone | Lab Visit/Medical History | |
| utergone | Surgery to remove uterus after natural menopause | Lab Visit/Medical History |