1 Stool tests can produce false-positive and false-negative results. 2  False-positive means that the test may be positive when you don't have a polyp or cancer. 3  False-negative means that the test may be negative when you do have a polyp or cancer.4  These tests may miss polyps and some cancers.hat To Think About. 1  Stool tests can produce false-positive and false-negative results. 2  False-positive means that the test may be positive when you don't have a polyp or cancer. 3  False-negative means that the test may be negative when you do have a polyp or cancer.
Approximately 11,000 spinal cord injuries reported each year in the United States involve paraplegia. Such events occur as a result of automobile and motorcycle accidents, sporting accidents, falls, and gunshot wounds.
The following statistics give an overall picture of spinal cord injury in the United States. Annual number of people who experience a spinal cord injury: About 12,000 new cases of spinal cord injury occur each year. This does not count people who die from a spinal cord injury before reaching the hospital. Number of Americans living with a spinal cord injury: There are approximately 259,000 people in the U.S. living with a spinal cord injury, but because it is estimation, this number could be higher or lower. As few as 229,000 people or as many as 306,000 Americans may be living with an SCI. Average age at time of injury: 40.2 years.