CO01: How long does a condition last

Returns the distribution of a certain condition duration in days.

Input:
 Parameter  Example  Mandatory  Notes
 concept_id  200219  Yes Abdominal Pain

Sample query run:
The following is a sample run of the query. The input parameters are highlighted in blue.

SELECT    ca.condition_era_end_date-condition_era_start_date + 1 AS num_condition_duration_days, 
          count(*)                                               AS condition_duration_freq_count 
FROM      condition_era      ca, 
          vocabulary.concept c 
WHERE     c.concept_id = 200219
  AND     ca.condition_concept_id = c.concept_id 
GROUP BY  c.concept_id, 
          c.concept_name, 
          ca.condition_era_end_date-condition_era_start_date 
ORDER BY  1
Output:
Output field list:
 Field  Description
num_condition_duration_days Number of days condition diagnozed
condition_duration_freq_count The frequency of the condition

Sample output record:
 Field  Value
num_condition_duration_days  9
condition_duration_freq_count  9077
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