Many injuries can cause lasting symptoms. For example, a broken leg might have aches and pains as time progresses, even after the bone is healed. Spinal cord injuries are a bit different because the effects can last the rest of the person's life without improving.
For a person who has an injured spinal cord, there are many factors to impact how one fares in the aftermath. It is imperative to understand how quality of life might be impacted by the injury.