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. 2008 Jun;4(3):647–652. doi: 10.2147/ndt.s2827

Table 1.

Barrow Neurological Institute (BNI) Pain Intensity Scoring Criteria

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