From 021ef5af8eafbf2930f93325fc6471f6a9827772 Mon Sep 17 00:00:00 2001
From: alistairewj <1282676+alistairewj@users.noreply.github.com>
Date: Fri, 24 Jul 2026 21:59:10 +0000
Subject: [PATCH] chore: regenerate postgres/duckdb concepts from BigQuery
 sources

---
 .../durations/arterial_line_durations.sql           |  2 +-
 .../durations/central_line_durations.sql            |  2 +-
 .../concepts_duckdb/organfailure/kdigo_stages.sql   |  5 ++++-
 .../durations/arterial_line_durations.sql           |  2 +-
 .../durations/central_line_durations.sql            |  2 +-
 .../concepts_postgres/organfailure/kdigo_stages.sql | 13 ++++++++-----
 6 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/mimic-iii/concepts_duckdb/durations/arterial_line_durations.sql b/mimic-iii/concepts_duckdb/durations/arterial_line_durations.sql
index c699ee72..5958efc7 100644
--- a/mimic-iii/concepts_duckdb/durations/arterial_line_durations.sql
+++ b/mimic-iii/concepts_duckdb/durations/arterial_line_durations.sql
@@ -102,7 +102,7 @@ WITH mv AS (
     icustay_id,
     charttime,
     charttime_lag,
-    charttime - charttime_lag AS arterial_line_duration,
+    DATE_DIFF('HOUR', charttime_lag, charttime) AS arterial_line_duration,
     CASE WHEN DATE_DIFF('HOUR', charttime_lag, charttime) > 16 THEN 1 ELSE 0 END AS arterial_line_new
   FROM cv0
 ), cv2 AS (
diff --git a/mimic-iii/concepts_duckdb/durations/central_line_durations.sql b/mimic-iii/concepts_duckdb/durations/central_line_durations.sql
index d31940e0..33da694a 100644
--- a/mimic-iii/concepts_duckdb/durations/central_line_durations.sql
+++ b/mimic-iii/concepts_duckdb/durations/central_line_durations.sql
@@ -200,7 +200,7 @@ WITH mv AS (
     icustay_id,
     charttime,
     charttime_lag,
-    charttime - charttime_lag AS central_line_duration,
+    DATE_DIFF('HOUR', charttime_lag, charttime) AS central_line_duration,
     CASE WHEN DATE_DIFF('HOUR', charttime_lag, charttime) > 16 THEN 1 ELSE 0 END AS central_line_new
   FROM cv0
 ), cv2 AS (
diff --git a/mimic-iii/concepts_duckdb/organfailure/kdigo_stages.sql b/mimic-iii/concepts_duckdb/organfailure/kdigo_stages.sql
index 8db78065..83cdd7cb 100644
--- a/mimic-iii/concepts_duckdb/organfailure/kdigo_stages.sql
+++ b/mimic-iii/concepts_duckdb/organfailure/kdigo_stages.sql
@@ -12,7 +12,10 @@ WITH cr_stg AS (
       THEN 3
       WHEN cr.creat >= 4
       AND (
-        cr.creat_low_past_48hr <= 3.7 OR cr.creat >= (
+        cr.creat >= (
+          cr.creat_low_past_48hr + 0.3
+        )
+        OR cr.creat >= (
           1.5 * cr.creat_low_past_7day
         )
       )
diff --git a/mimic-iii/concepts_postgres/durations/arterial_line_durations.sql b/mimic-iii/concepts_postgres/durations/arterial_line_durations.sql
index 992809e3..cc40408b 100644
--- a/mimic-iii/concepts_postgres/durations/arterial_line_durations.sql
+++ b/mimic-iii/concepts_postgres/durations/arterial_line_durations.sql
@@ -111,7 +111,7 @@ WITH mv AS (
     icustay_id,
     charttime,
     charttime_lag, /* if the current observation indicates a line is present */ /* calculate the time since the last charted line */
-    charttime - charttime_lag AS arterial_line_duration, /* now we determine if the current line is "new" */ /* new == no documentation for 16 hours */
+    CAST(EXTRACT(EPOCH FROM DATE_TRUNC('hour', charttime) - DATE_TRUNC('hour', charttime_lag)) / 3600 AS BIGINT) AS arterial_line_duration, /* now we determine if the current line is "new" */ /* new == no documentation for 16 hours */
     CASE
       WHEN CAST(EXTRACT(EPOCH FROM DATE_TRUNC('hour', charttime) - DATE_TRUNC('hour', charttime_lag)) / 3600 AS BIGINT) > 16
       THEN 1
diff --git a/mimic-iii/concepts_postgres/durations/central_line_durations.sql b/mimic-iii/concepts_postgres/durations/central_line_durations.sql
index b1b6ef2c..905e17a0 100644
--- a/mimic-iii/concepts_postgres/durations/central_line_durations.sql
+++ b/mimic-iii/concepts_postgres/durations/central_line_durations.sql
@@ -201,7 +201,7 @@ WITH mv AS (
     icustay_id,
     charttime,
     charttime_lag, /* if the current observation indicates a line is present */ /* calculate the time since the last charted line */
-    charttime - charttime_lag AS central_line_duration, /* now we determine if the current line is "new" */ /* new == no documentation for 16 hours */
+    CAST(EXTRACT(EPOCH FROM DATE_TRUNC('hour', charttime) - DATE_TRUNC('hour', charttime_lag)) / 3600 AS BIGINT) AS central_line_duration, /* now we determine if the current line is "new" */ /* new == no documentation for 16 hours */
     CASE
       WHEN CAST(EXTRACT(EPOCH FROM DATE_TRUNC('hour', charttime) - DATE_TRUNC('hour', charttime_lag)) / 3600 AS BIGINT) > 16
       THEN 1
diff --git a/mimic-iii/concepts_postgres/organfailure/kdigo_stages.sql b/mimic-iii/concepts_postgres/organfailure/kdigo_stages.sql
index 4f8a985f..bbdbd549 100644
--- a/mimic-iii/concepts_postgres/organfailure/kdigo_stages.sql
+++ b/mimic-iii/concepts_postgres/organfailure/kdigo_stages.sql
@@ -12,11 +12,14 @@ WITH cr_stg AS (
       )
       THEN 3
       WHEN cr.creat >= 4
-        -- For patients reaching Stage 3 by SCr >4.0 mg/dl
-        -- require that the patient first achieve ... acute increase >= 0.3 within 48 hr
-        -- *or* an increase of >= 1.5 times baseline
-        and (cr.creat >= (cr.creat_low_past_48hr+0.3) OR cr.creat >= (1.5*cr.creat_low_past_7day))
-            then 3 
+      AND /* For patients reaching Stage 3 by SCr >4.0 mg/dl */ /* require that the patient first achieve ... acute increase >= 0.3 within 48 hr */ /* *or* an increase of >= 1.5 times baseline */ (
+        cr.creat >= (
+          cr.creat_low_past_48hr + 0.3
+        )
+        OR cr.creat >= (
+          1.5 * cr.creat_low_past_7day
+        )
+      )
       THEN 3
       WHEN cr.creat >= (
         cr.creat_low_past_7day * 2.0