fix: include wbc_max in SIRS WBC missing-data guard

WBC scoring uses wbc_min, wbc_max, and bands_max, but the null arm only
checked coalesce(wbc_min, bands_max), so a present wbc_max alone yielded
NULL instead of 0. Align the guard across BigQuery, Postgres, and DuckDB.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: Chessing234

mimic-iii/concepts/severityscores/sirs.sql

@@ -89,7 +89,7 @@ left join `physionet-data.mimiciii_derived.labs_first_day` l
       when wbc_min <  4.0  then 1
       when wbc_max > 12.0  then 1
       when bands_max > 10 then 1-- > 10% immature neurophils (band forms)
-      when coalesce(wbc_min, bands_max) is null then null
+      when coalesce(wbc_min, wbc_max, bands_max) is null then null
       else 0
     end as wbc_score
 

mimic-iii/concepts_duckdb/severityscores/sirs.sql

@@ -56,7 +56,7 @@ WITH bg AS (
       THEN 1
       WHEN bands_max > 10
       THEN 1
-      WHEN COALESCE(wbc_min, bands_max) IS NULL
+      WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL
       THEN NULL
       ELSE 0
     END AS wbc_score

mimic-iii/concepts_postgres/severityscores/sirs.sql

@@ -59,7 +59,7 @@ WITH bg AS (
       THEN 1
       WHEN bands_max > 10
       THEN 1 /* > 10% immature neurophils (band forms) */
-      WHEN COALESCE(wbc_min, bands_max) IS NULL
+      WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL
       THEN NULL
       ELSE 0
     END AS wbc_score

mimic-iv/concepts/score/sirs.sql

@@ -77,7 +77,7 @@ WITH scorecomp AS (
             WHEN wbc_min < 4.0 THEN 1
             WHEN wbc_max > 12.0 THEN 1
             WHEN bands_max > 10 THEN 1-- > 10% immature neurophils (band forms)
-            WHEN COALESCE(wbc_min, bands_max) IS NULL THEN NULL
+            WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL THEN NULL
             ELSE 0
         END AS wbc_score
 

mimic-iv/concepts_duckdb/score/sirs.sql

@@ -53,7 +53,7 @@ WITH scorecomp AS (
       THEN 1
       WHEN bands_max > 10
       THEN 1
-      WHEN COALESCE(wbc_min, bands_max) IS NULL
+      WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL
       THEN NULL
       ELSE 0
     END AS wbc_score

mimic-iv/concepts_postgres/score/sirs.sql

@@ -55,7 +55,7 @@ WITH scorecomp AS (
       THEN 1
       WHEN bands_max > 10
       THEN 1 /* > 10% immature neurophils (band forms) */
-      WHEN COALESCE(wbc_min, bands_max) IS NULL
+      WHEN COALESCE(wbc_min, wbc_max, bands_max) IS NULL
       THEN NULL
       ELSE 0
     END AS wbc_score