fix: cap MIMIC-III MELD initial at raw sum > 4 - #2138
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OPTN policy caps MELD at 40 after round(x,1)*10; comparing the pre-scale sum to 40 never triggered. Match MIMIC-IV (> 4). Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
meld.sqlcapped when the pre-scale creatinine+bilirubin+INR sum was> 40, so the OPTN max of 40 almost never applied (raw sum is typically ~1–5 beforeround(...)*10).> 4to match MIMIC-IV and OPTN MELD policy (max 40 after rounding to one decimal and ×10). Updated BigQuery, Postgres, and DuckDB copies.Test plan
4.1→meld_initial40 (was 41 after round×10)3.95→meld_initial40 via round×10mimic-iv/concepts/organfailure/meld.sqlMade with Cursor