Table 1:

Modified Macnab criteria used to grade overall clinical outcome

ExcellentComplete resolution of all symptoms and free of pain; no restriction of mobility; able to return to normal work and activities
GoodMarked reduction of pain with the patient generally satisfied, returning to work or usual daytime activities, and taking analgesics seldom or not at all
FairSome improved functional capacity; still handicapped and/or unemployed
PoorContinued objective symptoms of root involvement; additional operative intervention needed at index level, irrespective of repeated operations or length of postoperative follow-up
WorseClinical symptoms considered worse than before receiving procedure