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fix(mimic-iv): correct KDIGO stage 3 creatinine rise criteria#2016

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fix(mimic-iv): correct KDIGO stage 3 creatinine rise criteria#2016
Chessing234 wants to merge 1 commit into
MIT-LCP:mainfrom
Chessing234:fix/1357-kdigo-stage3-creatinine-threshold

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Fixes #1357

Summary

  • Replaces the hard-coded creat_low_past_48hr <= 3.7 shortcut in stage 3 creatinine logic
  • Uses KDIGO-defined acute rise checks: creat >= creat_low_past_48hr + 0.3 OR creat >= 1.5 * creat_low_past_7day when creat >= 4.0

Test plan

Made with Cursor

Replace the hard-coded creat_low_past_48hr <= 3.7 shortcut with the
KDIGO-defined acute rise checks (>=0.3 mg/dL within 48h or >=1.5x
baseline) for patients with creatinine >= 4.0.

Fixes MIT-LCP#1357.

Co-authored-by: Cursor <cursoragent@cursor.com>
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MIMIC-IV KDIGO AKI Stage 3 is wrongly defined

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