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. 2008 Mar 27;265(7):743–752. doi: 10.1007/s00405-008-0646-4

Table 4.

Indicators for poor prognosis of Bell’s palsy

Complete palsy
Absent recovery by 3 weeks
Age >60 years
Severe pain
Ramsey Hunt syndrome
Presence of conditions causing secondary facial nerve palsy
Reduction of the compound muscle action potential >50%