In the United States:The National Spinal Cord Injury Database was established in 1973 and collects all the spinal cord injuries in United States through 26 federally funded Model SCI Care Systems. Estimated prevalence of SCI patients in the United States in 2010, who are alive, is approximately 265,000. It is estimated that the annual incidence of spinal cord injury (SCI), is approximately 40 cases/ 1,000,000 population or approximately 12,000 new cases/ year, excluding those who expired at the scene of the accident.
In Minnesota, 192 cases of occupation related spinal cord injuries were registered in Minnesota Statewide Trauma System at the Department of Public Health in the last 10 year period (2000- 2010).The number of cases registered per year varied from 31 per year in 2000 to 8 per year in 2009. There has been a gradual downward trend in spine related injuries in Minnesota along with overall incidence in the United States.
Frequency trends of work related SCI's in Minnesota from 1999 - 2009
1.Age at Injury: SCI primarily affects young adults. From 1973 to 2005 there was a gradual increase in the average age at injury to the spinal cord. The average age has increased from 28.7 years to 40.2. Few reasons for the increase in the average age at SCI are increase in median age of the general population of the United States by 8 years during this period, survival rates of older persons at the scene of the injury event or age-specific incidence rates.
2.Gender: In United States incidence of SCI is higher in males than females. Since 1980 till today, there is a small decrease in the percentage of male's involved in SCI's from 81.8% to 80.9 %.
3.Race: Secondary to changes in the demographics in the United States, there was an observed significant change in race-specific incidence rates that is, the racial/ethnic distributions of people who had SCI's.
4.Etiology: In United States, motor vehicle crashes are the leading cause for SCI's and account for 42.1% of all reported SCI cases. Other common causes are falls, violence (primarily gunshot wounds), and recreational sporting activities. .