Aspirin Or 1=1 → headache — Null result

Drug: aspirin OR 1=1 · AE: headache

Caliper validation of the submitted claim (drug=aspirin OR 1=1, AE=headache). BELOW_DEDUP_THRESHOLD — only 0 unique cases after dedup; insufficient signal density

Disproportionality

• PRR: 16.151162762527044 (95% CI 2.28–114.66)
• Yates χ²: 0
• Cases (case-drug + AE): n = 0
• Verdict: BELOW_DEDUP_THRESHOLD — only 0 unique cases after dedup; insufficient signal density

Top reactions in cohort

Source: openFDA FAERS, Caliper Engine v0. Pre-registration sha1 locked at submission time; ledger entry signed with platform Ed25519 key.