Multiple Sclerosis prognosis, life expectancy and EDSS (Expanded Disability Status Scale).

Determining the course of multiple sclerosis prognosis depends on a wide range of factors like age at the time of diagnosis, symptoms at the time of diagnosis, level of current disability, gender of the patient, etc. The time period of multiple sclerosis prognosis is quite long. It usually takes an average of 30 years or a few more, from the onset of the disease through progression unto death due to MS. That brings us to the life expectancy of MS patients. The life expectancy in MS is found to be just about 6 years less than that of the general population. This means there is every hope that MS patients live a particularly long life. Now there rises a need to find ways to restrict the multiple sclerosis prognosis and make this long lasting life a comfortable and enjoyable experience.

Multiple Sclerosis prognosis is quite an unpredictable factor and as mentioned earlier which depends on the age and symptoms at the time of diagnosis, gender and level of disability. The amount of ongoing disability due to the current symptoms emerges as one of the crucial factors in predicting the future prognosis of the disease.

A very effective way of determining the disability level of an MS patient, for help in predicting the prognosis, is the EDSS (Expanded Disability Status Scale) method. This is tried and used effectively worldwide. It uses numerical values to interpret the disability level in MS patients. The evaluation done through the EDSS or Expanded Disability Status Scale method involves a standard neurological MS examination. There are about 7 Functional Systems on the basis of which the disability of an MS patient is evaluated. These Functional Systems (FS) are:

1. Coordination,

2. Motor Functions,

3. Visual,

4. Sensory,

5. Bowl and Bladder,

6. Speech and Swallowing,

7. Mental, etc.


Therefore this evaluation method is also known as Functional Systems Score (FSS).On the Basis of FSS or EDSS the disability of an MS patient is evaluated on a scale of 0 to 10, 0 being a case of no MS diagnosis or disability and 10 being death due to MS. Generally, people on a score of 1 to 4.5 are those who are diagnosed with MS but are fully mobile and functioning. On the other hand, those on a score of 5 to 10 are physically impaired in an obvious manner.

Below is a detailed evaluation of the level of disability pertaining to each score on the EDSS.

(Click on the image below and zoom in for a detailed study of EDSS)






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