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. 2021 Aug 30;10(2):1439–1450. doi: 10.1007/s40122-021-00311-7

Table 1.

Barrow Neurological Institute (BNI) pain severity scoring system

Score
I No trigeminal pain, no medication
II Occasional pain, not requiring medication
II Some pain, adequately controlled with medication
IV Some pain, not adequately controlled with medication
V Serve pain/no pain relief