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A sample image of this SQL report run in the Database Viewer is shown below:

Caveats

This will show you all active patients whose BMI is greater than 95%.

Notes:

• The SQL only pulls patients whose status is ACTIVE.
• It only pulls patients ages 2 and up, since younger children don't have a BMI defined.
• It pulls patients whose BMI is GREATER than 95, not GREATER THAN OR EQUAL to 95.   
• It looks at the patient’s most recent BMI.  So, if a child's BMI is currently under 95 even though the patient's previous three BMIs were over 95, the patient won't appear in the grid.

Code

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select p.* , pc.bmi_percent from
(
 (select patno, cast(max(date1) as date) as most_recent from physical_chart group by patno) p
left outer join physical_chart pc on pc.patno = p.patno and pc.date1 = p.most_recent
)
inner join register on register.patno = p.patno
where status_pat = 'ACTIVE' and bmi_percent > 95