Before revision: Grade Description Measurement Function % Estimated function % I Normal 8/8 100 100 II Slight 7/8 76–99 80 III Moderate 5/8–6/8 51–75 60 IV Moderately severe 3/8–4/8 26–50 40 V Severe 1/8–2/8 1–25 20 VI Total 0/8 0 0 References I want to add to the the prognosis mentioned by House-Brackmann score for Bell's palsy.In addition to the above, one has to see the length of the nerve that's got involved.The prognosis is best when the segment involved is short as at the stylomastoid foramen.
After revision: Grade Description Measurement Function % Estimated function % I Normal 8/8 100 100 II Slight 7/8 76–99 80 III Moderate 5/8–6/8 51–75 60 IV Moderately severe 3/8–4/8 26–50 40 V Severe 1/8–2/8 1–25 20 VI Total 0/8 0 0 References