Merge pull request #1182 from MIT-LCP/flow_rate_fix

Author: briangow

mimic-iv/concepts/measurement/oxygen_delivery.sql

@@ -6,7 +6,7 @@ with ce_stg1 as
     , ce.charttime
     , CASE
         -- merge o2 flows into a single row
-        WHEN itemid IN (223834, 227582, 224691) THEN 223834
+        WHEN itemid IN (223834, 227582) THEN 223834
       ELSE itemid END AS itemid
     , value
     , valuenum
@@ -18,9 +18,10 @@ with ce_stg1 as
   (
       223834 -- o2 flow
     , 227582 -- bipap o2 flow
-    , 224691 -- Flow Rate (L)
     -- additional o2 flow is its own column
     , 227287 -- additional o2 flow
+    -- below flow rate is *not* o2 flow, and not included
+    -- , 224691 -- Flow Rate (L)
   )
 )
 , ce_stg2 AS

mimic-iv/concepts/measurement/ventilator_setting.sql

@@ -48,6 +48,7 @@ with ce as
     , 223849 -- vent mode
     , 229314 -- vent mode (Hamilton)
     , 223848 -- vent type
+    , 224691 -- Flow Rate (L)
   )
 )
 SELECT
@@ -64,6 +65,7 @@ SELECT
     , MAX(CASE WHEN itemid = 224696 THEN valuenum ELSE NULL END) AS plateau_pressure
     , MAX(CASE WHEN itemid in (220339, 224700) THEN valuenum ELSE NULL END) AS peep
     , MAX(CASE WHEN itemid = 223835 THEN valuenum ELSE NULL END) AS fio2
+    , MAX(CASE WHEN itemid = 224691 THEN valuenum ELSE NULL END) AS flow_rate
     , MAX(CASE WHEN itemid = 223849 THEN value ELSE NULL END) AS ventilator_mode
     , MAX(CASE WHEN itemid = 229314 THEN value ELSE NULL END) AS ventilator_mode_hamilton
     , MAX(CASE WHEN itemid = 223848 THEN value ELSE NULL END) AS ventilator_type