BMRC Sensory Grade	Sensory recovery
S0	Absence of sensibility in the autonomous area
S1	Recovery of deep cutaneous pain sensibility
S2	Return of some degree of some degree of superficial cutaneous pain and tactile sensibility within the autonomous area of the nerve
S3	Return of some degree of some degree of superficial cutaneous pain and tactile sensibility within the autonomous area of the nerve with disappearance of any previous over reactivity
S3+	Return of sensibility as in Stage 3 with the addition that there is recovery of 2‐PD within the autonomous area
S4	Complete recovery