restricting cases to first outcome in TAR

- restricting cases to first outcome in TAR

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: Characterization
 Type: Package
 Title: Characterizations of Cohorts
-Version: 2.0.1
+Version: 2.0.1.9000
 Date: 2024-08-21
 Authors@R: c(
 	person("Jenna", "Reps", , "[email protected]", role = c("aut", "cre")),

inst/sql/sql_server/CaseCohortsPart1.sql

@@ -50,7 +50,7 @@ and datediff(day, op.observation_period_start_date, o.cohort_start_date) >= @min
 IF OBJECT_ID('tempdb..#case_exclude', 'U') IS NOT NULL DROP TABLE #case_exclude;
 
 -- people with outcome prior
-select
+select distinct
 t.subject_id,
 t.cohort_start_date,
 t.cohort_end_date,

inst/sql/sql_server/CaseCohortsPart2.sql

@@ -2,13 +2,13 @@
 
 -- 1) get all the people with the outcome in TAR
 IF OBJECT_ID('tempdb..#cases_tar', 'U') IS NOT NULL DROP TABLE #cases_tar;
--- cases
+-- cases (first outcome date)
 select
 t.subject_id,
 t.cohort_start_date,
 t.cohort_end_date,
-o.cohort_start_date as outcome_start_date,
-o.cohort_end_date as outcome_end_date,
+min(o.cohort_start_date) as outcome_start_date,
+min(o.cohort_end_date) as outcome_end_date,
 t.cohort_definition_id as target_cohort_id,
 o.cohort_definition_id as outcome_cohort_id
 into #cases_tar
@@ -19,7 +19,14 @@ where
 o.cohort_start_date <= dateadd(day, @tar_end, t.@tar_end_anchor)
 and
 -- outcome starts (ends?) after TAR start
-o.cohort_start_date >= dateadd(day, @tar_start, t.@tar_start_anchor);
+o.cohort_start_date >= dateadd(day, @tar_start, t.@tar_start_anchor)
+-- make sure to only get first outcome date during TAR
+group by
+t.subject_id,
+t.cohort_start_date,
+t.cohort_end_date,
+t.cohort_definition_id,
+o.cohort_definition_id;
 
 -- add the cases for specific TAR
 insert into #cases