The success rate of L4-l5 lumbar epidural steroid injection is 50 percent to 80 percent.
Between 50 percent to 80 percent of people that have had the L4-l5 lumbar epidural steroid injections experience some degree of pain relief.
The actual degree and duration of the pain relief from the L4-l5 lumbar epidural steroid injection can also vary depending on the person, the certain condition being treated as well as other factors.
Success rates of the L4-l5 lumbar epidural steroid injection are often higher for acute pain or recent onset and lower for chronic pain.
And people with mild or moderate nerve compression may also have better outcomes than people with severe compression.
Also proper needle placement during the L4-l5 lumbar epidural steroid injection is also crucial for it's effectiveness.
And peoples overall health and prior treatments can also play a role in the success rate of the L4-l5 lumbar epidural steroid injection.
And even different types of epidural injections such as caudal or transforaminal injections can also have varying or different success rates.