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fix(lods): remove incorrect BUN >= 7.50 renal point #2119

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fix(lods): remove incorrect BUN >= 7.50 renal point #2119

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61226d3
fix(lods): remove incorrect BUN >= 7.50 renal point
acnimma Jul 20, 2026
55bf38b
docs(lods): note BUN mg/dL cutoffs beside renal CASE
acnimma Aug 6, 2026
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3 changes: 2 additions & 1 deletion mimic-iii/concepts/severityscores/lods.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -161,6 +161,8 @@ select
end as cardiovascular

-- renal
-- BUN cutoffs are mg/dL (Le Gall et al., JAMA 1996): 0 if <17, 1 if 17-27,
-- 3 if 28-55, 5 if >=56. Do not add mmol/L-style thresholds (e.g. 7.50).
, case
when bun_max is null
or urineoutput is null
Expand All @@ -174,7 +176,6 @@ select
when urineoutput >= 10000.0 then 3
when creatinine_max >= 1.20 then 1
when bun_max >= 17.0 then 1
when bun_max >= 7.50 then 1
else 0
end as renal

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2 changes: 0 additions & 2 deletions mimic-iii/concepts_duckdb/severityscores/lods.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -145,8 +145,6 @@ WITH cpap AS (
THEN 1
WHEN bun_max >= 17.0
THEN 1
WHEN bun_max >= 7.50
THEN 1
ELSE 0
END AS renal,
CASE
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4 changes: 1 addition & 3 deletions mimic-iii/concepts_postgres/severityscores/lods.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ WITH cpap AS (
WHEN sysbp_min < 90
THEN 1
ELSE 0
END AS cardiovascular, /* renal */
END AS cardiovascular, /* renal */ /* BUN cutoffs are mg/dL (Le Gall et al., JAMA 1996): 0 if <17, 1 if 17-27, */ /* 3 if 28-55, 5 if >=56. Do not add mmol/L-style thresholds (e.g. 7.50). */
CASE
WHEN bun_max IS NULL OR urineoutput IS NULL OR creatinine_max IS NULL
THEN NULL
Expand All @@ -154,8 +154,6 @@ WITH cpap AS (
THEN 1
WHEN bun_max >= 17.0
THEN 1
WHEN bun_max >= 7.50
THEN 1
ELSE 0
END AS renal, /* pulmonary */
CASE
Expand Down
3 changes: 2 additions & 1 deletion mimic-iv/concepts/score/lods.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,8 @@ WITH cpap AS (
END AS cardiovascular

-- renal
-- BUN cutoffs are mg/dL (Le Gall et al., JAMA 1996): 0 if <17, 1 if 17-27,
-- 3 if 28-55, 5 if >=56. Do not add mmol/L-style thresholds (e.g. 7.50).
, CASE
WHEN bun_max IS NULL
OR urineoutput IS NULL
Expand All @@ -168,7 +170,6 @@ WITH cpap AS (
WHEN urineoutput >= 10000.0 THEN 3
WHEN creatinine_max >= 1.20 THEN 1
WHEN bun_max >= 17.0 THEN 1
WHEN bun_max >= 7.50 THEN 1
ELSE 0
END AS renal

Expand Down
2 changes: 0 additions & 2 deletions mimic-iv/concepts_duckdb/score/lods.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -148,8 +148,6 @@ WITH cpap AS (
THEN 1
WHEN bun_max >= 17.0
THEN 1
WHEN bun_max >= 7.50
THEN 1
ELSE 0
END AS renal,
CASE
Expand Down
4 changes: 1 addition & 3 deletions mimic-iv/concepts_postgres/score/lods.sql
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ WITH cpap AS (
WHEN sbp_min < 90
THEN 1
ELSE 0
END AS cardiovascular, /* renal */
END AS cardiovascular, /* renal */ /* BUN cutoffs are mg/dL (Le Gall et al., JAMA 1996): 0 if <17, 1 if 17-27, */ /* 3 if 28-55, 5 if >=56. Do not add mmol/L-style thresholds (e.g. 7.50). */
CASE
WHEN bun_max IS NULL OR urineoutput IS NULL OR creatinine_max IS NULL
THEN NULL
Expand All @@ -153,8 +153,6 @@ WITH cpap AS (
THEN 1
WHEN bun_max >= 17.0
THEN 1
WHEN bun_max >= 7.50
THEN 1
ELSE 0
END AS renal, /* pulmonary */
CASE
Expand Down
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