Agreement Between House-Brackmann and Sunnybrook Facial Nerve Grading Systems in Bell's Palsy in Children: Secondary Analysis of a Randomized, Placebo-Controlled Multicenter Trial

There was excellent agreement between House-Brackmann and Sunnybrook scales, with poorer agreement at baseline. Clinicians found the House-Brackmann scale easier to administer. These findings suggest that both scales can be applied in children.