OBAS – Overall Benefit of Analgesia Score Calculator by Bluedoctor

7-item patient-reported measure for the past 24 hours. Lower total indicates better overall benefit.

Total = Q1–Q6 + (4 − Q7). “Satisfaction” reduces the total when higher. Use with clinical judgement.

Effective & overall benefit = 0–5

Borderline & needs a review = 6–10

Poor overall benefit & an intervention is needed = 11–28