observation_period
Reading From
Reading from basedata.csv
Inclusion/Exclusion criteria
No filters applied
| Destination Field | Source field | Logic | Comment field |
|---|---|---|---|
| observation_period_id | Auto-increment | ||
| person_id | p_id | ||
| observation_period_start_date | year_diagnosis | year-07-01 | |
| observation_period_end_date | If not provided in enddata, take extraction date 2099-07-01 | ||
| period_type_concept_id | Period while enrolled in study - 44814723 |
Reading from enddata.csv
Inclusion/Exclusion criteria
No filters applied
| Destination Field | Source field | Logic | Comment field |
|---|---|---|---|
| observation_period_id | Auto-increment | ||
| person_id | p_id | ||
| observation_period_start_date | |||
| observation_period_end_date | year_discontinued | year-07-01 There could be data after year_discontinued (follow up after active surveillance), not given in data extract.If not provided in enddata, take extraction date 2099-07-01 | |
| period_type_concept_id | Period while enrolled in study - 44814723 |