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Fix BigQuery datetime subtraction in arterial_line_durations.sql #2007

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Fix BigQuery datetime subtraction in arterial_line_durations.sql #2007

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2 changes: 1 addition & 1 deletion mimic-iii/concepts/durations/arterial_line_durations.sql
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Expand Up @@ -131,7 +131,7 @@ with mv as
, charttime_lag
-- if the current observation indicates a line is present
-- calculate the time since the last charted line
, charttime - charttime_lag as arterial_line_duration
, DATETIME_DIFF(charttime, charttime_lag, HOUR) as arterial_line_duration
-- now we determine if the current line is "new"
-- new == no documentation for 16 hours
, case
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