A Have you ever had foot or leg pain events after prolonged standing and/or bus travel lasted more than six hours? |
If the answer is yes, |
B Has it been existed since childhood or adolescence? |
Does it occur after almost every period of prolonged standing or sitting? |
Does it occur mostly bilateral? |
Does it persist at least 30 minutes after rest? |
If all of the answers are yes, then the case was considered to be positive. |