topic Concurrent Drug Days Overlapping in SAS Programming https://communities.sas.com/t5/SAS-Programming/Concurrent-Drug-Days-Overlapping/m-p/863071#M340937 <P>Hi there experts,</P> <P>&nbsp;</P> <P>I am trying to determine concurrent days between 2 groups of drugs but I want it counted only once but what I have now is counting within each fill. Patient ID , 114 is correct and the others are double counting. I would appreciate any insight on how to approach this. Thank you for you help.</P> <P>&nbsp;</P> <TABLE width="1104"> <TBODY> <TR> <TD width="96">patient id</TD> <TD width="94">Group1_Drug</TD> <TD width="125">Group1_Start_date</TD> <TD width="119">Group1_end_date</TD> <TD width="254">Group2_Drug</TD> <TD width="156">Group2_Drug_StartDate</TD> <TD width="150">Group2_Drug_EndDate</TD> <TD width="110">concurrent_days</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>4/6/2022</TD> <TD>5/6/2022</TD> <TD>Drug T</TD> <TD>5/4/2022</TD> <TD>5/11/2022</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>6/10/2022</TD> <TD>7/10/2022</TD> <TD>Drug AC</TD> <TD>7/2/2022</TD> <TD>7/3/2022</TD> <TD>2</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>6/10/2022</TD> <TD>7/10/2022</TD> <TD>Drug AC</TD> <TD>7/5/2022</TD> <TD>7/10/2022</TD> <TD>6</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>7/11/2022</TD> <TD>8/10/2022</TD> <TD>Drug AC</TD> <TD>7/20/2022</TD> <TD>7/22/2022</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>8/9/2022</TD> <TD>9/8/2022</TD> <TD>Drug AC</TD> <TD>8/23/2022</TD> <TD>8/26/2022</TD> <TD>4</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>9/7/2022</TD> <TD>10/7/2022</TD> <TD>Drug HC</TD> <TD>9/17/2022</TD> <TD>9/19/2022</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>Drug AC</TD> <TD>12/12/2022</TD> <TD>12/15/2022</TD> <TD>4</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>Drug AC</TD> <TD>12/29/2022</TD> <TD>1/1/2023</TD> <TD>3</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>1/11/2022</TD> <TD>2/10/2022</TD> <TD>Drug AC</TD> <TD>1/18/2022</TD> <TD>1/20/2022</TD> <TD>3</TD> </TR> <TR> <TD>152</TD> <TD>Drug D</TD> <TD>2/24/2022</TD> <TD>3/26/2022</TD> <TD>Drug T</TD> <TD>3/11/2022</TD> <TD>3/17/2022</TD> <TD>7</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>3/10/2022</TD> <TD>4/9/2022</TD> <TD>Drug T</TD> <TD>3/11/2022</TD> <TD>3/17/2022</TD> <TD>7</TD> </TR> <TR> <TD>152</TD> <TD>Drug D</TD> <TD>7/18/2022</TD> <TD>8/17/2022</TD> <TD>Drug ACP</TD> <TD>7/25/2022</TD> <TD>8/1/2022</TD> <TD>8</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>7/21/2022</TD> <TD>8/20/2022</TD> <TD>Drug ACP</TD> <TD>7/25/2022</TD> <TD>8/1/2022</TD> <TD>8</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>10/18/2022</TD> <TD>11/17/2022</TD> <TD>Drug ACP</TD> <TD>11/16/2022</TD> <TD>11/21/2022</TD> <TD>2</TD> </TR> <TR> <TD>152</TD> <TD>Drug D</TD> <TD>10/26/2022</TD> <TD>11/25/2022</TD> <TD>Drug ACP</TD> <TD>11/16/2022</TD> <TD>11/21/2022</TD> <TD>6</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>11/17/2022</TD> <TD>12/17/2022</TD> <TD>Drug ACP</TD> <TD>11/16/2022</TD> <TD>11/21/2022</TD> <TD>5</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>11/17/2022</TD> <TD>12/17/2022</TD> <TD>Drug ACP</TD> <TD>12/8/2022</TD> <TD>12/13/2022</TD> <TD>6</TD> </TR> <TR> <TD>152</TD> <TD>Drug D</TD> <TD>11/27/2022</TD> <TD>12/27/2022</TD> <TD>Drug ACP</TD> <TD>12/8/2022</TD> <TD>12/13/2022</TD> <TD>6</TD> </TR> <TR> <TD>158</TD> <TD>Drug A</TD> <TD>1/11/2022</TD> <TD>2/10/2022</TD> <TD>Drug T</TD> <TD>1/11/2022</TD> <TD>2/3/2022</TD> <TD>24</TD> </TR> <TR> <TD>158</TD> <TD>Drug A</TD> <TD>1/11/2022</TD> <TD>2/10/2022</TD> <TD>Drug T</TD> <TD>2/8/2022</TD> <TD>3/3/2022</TD> <TD>3</TD> </TR> <TR> <TD>158</TD> <TD>Drug A</TD> <TD>2/8/2022</TD> <TD>3/10/2022</TD> <TD>Drug T</TD> <TD>2/8/2022</TD> <TD>3/3/2022</TD> <TD>24</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>5/19/2022</TD> <TD>6/18/2022</TD> <TD>Drug AC</TD> <TD>5/26/2022</TD> <TD>6/5/2022</TD> <TD>11</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>5/19/2022</TD> <TD>6/18/2022</TD> <TD>Drug AC</TD> <TD>6/11/2022</TD> <TD>6/14/2022</TD> <TD>4</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>8/12/2022</TD> <TD>9/11/2022</TD> <TD>Drug AC</TD> <TD>9/7/2022</TD> <TD>9/17/2022</TD> <TD>5</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>9/8/2022</TD> <TD>10/8/2022</TD> <TD>Drug AC</TD> <TD>9/7/2022</TD> <TD>9/17/2022</TD> <TD>10</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>9/8/2022</TD> <TD>10/8/2022</TD> <TD>Drug AC</TD> <TD>10/3/2022</TD> <TD>10/23/2022</TD> <TD>6</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>10/7/2022</TD> <TD>11/6/2022</TD> <TD>Drug AC</TD> <TD>10/3/2022</TD> <TD>10/23/2022</TD> <TD>17</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>10/7/2022</TD> <TD>11/6/2022</TD> <TD>Drug AC</TD> <TD>11/1/2022</TD> <TD>11/21/2022</TD> <TD>6</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>11/3/2022</TD> <TD>12/3/2022</TD> <TD>Drug AC</TD> <TD>11/1/2022</TD> <TD>11/21/2022</TD> <TD>19</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>Drug AC</TD> <TD>12/8/2022</TD> <TD>12/28/2022</TD> <TD>21</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>Drug AC</TD> <TD>12/28/2022</TD> <TD>1/17/2023</TD> <TD>4</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>12/28/2022</TD> <TD>1/27/2023</TD> <TD>Drug AC</TD> <TD>12/8/2022</TD> <TD>12/28/2022</TD> <TD>1</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>12/28/2022</TD> <TD>1/27/2023</TD> <TD>Drug AC</TD> <TD>12/28/2022</TD> <TD>1/17/2023</TD> <TD>21</TD> </TR> </TBODY> </TABLE> Wed, 08 Mar 2023 21:03:23 GMT NewSASPerson 2023-03-08T21:03:23Z Concurrent Drug Days Overlapping https://communities.sas.com/t5/SAS-Programming/Concurrent-Drug-Days-Overlapping/m-p/863071#M340937 <P>Hi there experts,</P> <P>&nbsp;</P> <P>I am trying to determine concurrent days between 2 groups of drugs but I want it counted only once but what I have now is counting within each fill. Patient ID , 114 is correct and the others are double counting. I would appreciate any insight on how to approach this. Thank you for you help.</P> <P>&nbsp;</P> <TABLE width="1104"> <TBODY> <TR> <TD width="96">patient id</TD> <TD width="94">Group1_Drug</TD> <TD width="125">Group1_Start_date</TD> <TD width="119">Group1_end_date</TD> <TD width="254">Group2_Drug</TD> <TD width="156">Group2_Drug_StartDate</TD> <TD width="150">Group2_Drug_EndDate</TD> <TD width="110">concurrent_days</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>4/6/2022</TD> <TD>5/6/2022</TD> <TD>Drug T</TD> <TD>5/4/2022</TD> <TD>5/11/2022</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>6/10/2022</TD> <TD>7/10/2022</TD> <TD>Drug AC</TD> <TD>7/2/2022</TD> <TD>7/3/2022</TD> <TD>2</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>6/10/2022</TD> <TD>7/10/2022</TD> <TD>Drug AC</TD> <TD>7/5/2022</TD> <TD>7/10/2022</TD> <TD>6</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>7/11/2022</TD> <TD>8/10/2022</TD> <TD>Drug AC</TD> <TD>7/20/2022</TD> <TD>7/22/2022</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>8/9/2022</TD> <TD>9/8/2022</TD> <TD>Drug AC</TD> <TD>8/23/2022</TD> <TD>8/26/2022</TD> <TD>4</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>9/7/2022</TD> <TD>10/7/2022</TD> <TD>Drug HC</TD> <TD>9/17/2022</TD> <TD>9/19/2022</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>Drug AC</TD> <TD>12/12/2022</TD> <TD>12/15/2022</TD> <TD>4</TD> </TR> <TR> <TD>114</TD> <TD>Drug C</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>Drug AC</TD> <TD>12/29/2022</TD> <TD>1/1/2023</TD> <TD>3</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>1/11/2022</TD> <TD>2/10/2022</TD> <TD>Drug AC</TD> <TD>1/18/2022</TD> <TD>1/20/2022</TD> <TD>3</TD> </TR> <TR> <TD>152</TD> <TD>Drug D</TD> <TD>2/24/2022</TD> <TD>3/26/2022</TD> <TD>Drug T</TD> <TD>3/11/2022</TD> <TD>3/17/2022</TD> <TD>7</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>3/10/2022</TD> <TD>4/9/2022</TD> <TD>Drug T</TD> <TD>3/11/2022</TD> <TD>3/17/2022</TD> <TD>7</TD> </TR> <TR> <TD>152</TD> <TD>Drug D</TD> <TD>7/18/2022</TD> <TD>8/17/2022</TD> <TD>Drug ACP</TD> <TD>7/25/2022</TD> <TD>8/1/2022</TD> <TD>8</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>7/21/2022</TD> <TD>8/20/2022</TD> <TD>Drug ACP</TD> <TD>7/25/2022</TD> <TD>8/1/2022</TD> <TD>8</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>10/18/2022</TD> <TD>11/17/2022</TD> <TD>Drug ACP</TD> <TD>11/16/2022</TD> <TD>11/21/2022</TD> <TD>2</TD> </TR> <TR> <TD>152</TD> <TD>Drug D</TD> <TD>10/26/2022</TD> <TD>11/25/2022</TD> <TD>Drug ACP</TD> <TD>11/16/2022</TD> <TD>11/21/2022</TD> <TD>6</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>11/17/2022</TD> <TD>12/17/2022</TD> <TD>Drug ACP</TD> <TD>11/16/2022</TD> <TD>11/21/2022</TD> <TD>5</TD> </TR> <TR> <TD>152</TD> <TD>Drug L</TD> <TD>11/17/2022</TD> <TD>12/17/2022</TD> <TD>Drug ACP</TD> <TD>12/8/2022</TD> <TD>12/13/2022</TD> <TD>6</TD> </TR> <TR> <TD>152</TD> <TD>Drug D</TD> <TD>11/27/2022</TD> <TD>12/27/2022</TD> <TD>Drug ACP</TD> <TD>12/8/2022</TD> <TD>12/13/2022</TD> <TD>6</TD> </TR> <TR> <TD>158</TD> <TD>Drug A</TD> <TD>1/11/2022</TD> <TD>2/10/2022</TD> <TD>Drug T</TD> <TD>1/11/2022</TD> <TD>2/3/2022</TD> <TD>24</TD> </TR> <TR> <TD>158</TD> <TD>Drug A</TD> <TD>1/11/2022</TD> <TD>2/10/2022</TD> <TD>Drug T</TD> <TD>2/8/2022</TD> <TD>3/3/2022</TD> <TD>3</TD> </TR> <TR> <TD>158</TD> <TD>Drug A</TD> <TD>2/8/2022</TD> <TD>3/10/2022</TD> <TD>Drug T</TD> <TD>2/8/2022</TD> <TD>3/3/2022</TD> <TD>24</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>5/19/2022</TD> <TD>6/18/2022</TD> <TD>Drug AC</TD> <TD>5/26/2022</TD> <TD>6/5/2022</TD> <TD>11</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>5/19/2022</TD> <TD>6/18/2022</TD> <TD>Drug AC</TD> <TD>6/11/2022</TD> <TD>6/14/2022</TD> <TD>4</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>8/12/2022</TD> <TD>9/11/2022</TD> <TD>Drug AC</TD> <TD>9/7/2022</TD> <TD>9/17/2022</TD> <TD>5</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>9/8/2022</TD> <TD>10/8/2022</TD> <TD>Drug AC</TD> <TD>9/7/2022</TD> <TD>9/17/2022</TD> <TD>10</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>9/8/2022</TD> <TD>10/8/2022</TD> <TD>Drug AC</TD> <TD>10/3/2022</TD> <TD>10/23/2022</TD> <TD>6</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>10/7/2022</TD> <TD>11/6/2022</TD> <TD>Drug AC</TD> <TD>10/3/2022</TD> <TD>10/23/2022</TD> <TD>17</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>10/7/2022</TD> <TD>11/6/2022</TD> <TD>Drug AC</TD> <TD>11/1/2022</TD> <TD>11/21/2022</TD> <TD>6</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>11/3/2022</TD> <TD>12/3/2022</TD> <TD>Drug AC</TD> <TD>11/1/2022</TD> <TD>11/21/2022</TD> <TD>19</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>Drug AC</TD> <TD>12/8/2022</TD> <TD>12/28/2022</TD> <TD>21</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>Drug AC</TD> <TD>12/28/2022</TD> <TD>1/17/2023</TD> <TD>4</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>12/28/2022</TD> <TD>1/27/2023</TD> <TD>Drug AC</TD> <TD>12/8/2022</TD> <TD>12/28/2022</TD> <TD>1</TD> </TR> <TR> <TD>919</TD> <TD>Drug A</TD> <TD>12/28/2022</TD> <TD>1/27/2023</TD> <TD>Drug AC</TD> <TD>12/28/2022</TD> <TD>1/17/2023</TD> <TD>21</TD> </TR> </TBODY> </TABLE> Wed, 08 Mar 2023 21:03:23 GMT https://communities.sas.com/t5/SAS-Programming/Concurrent-Drug-Days-Overlapping/m-p/863071#M340937 NewSASPerson 2023-03-08T21:03:23Z Re: Concurrent Drug Days Overlapping https://communities.sas.com/t5/SAS-Programming/Concurrent-Drug-Days-Overlapping/m-p/863170#M340983 <P>The original table is what i have and below is what I am looking for. I would appreciate some insight how to approach this</P> <TABLE width="844"> <TBODY> <TR> <TD width="64">Patient ID</TD> <TD width="125">Group1_Start_date</TD> <TD width="118">Group1_end_date</TD> <TD width="64">&nbsp;</TD> <TD width="155">Group2_Drug_StartDate</TD> <TD width="149">Group2_Drug_EndDate</TD> <TD width="64">&nbsp;</TD> <TD width="105">concurrent days</TD> </TR> <TR> <TD>114</TD> <TD>4/6/2022</TD> <TD>5/6/2022</TD> <TD>&nbsp;</TD> <TD>5/4/2022</TD> <TD>5/11/2022</TD> <TD>&nbsp;</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>6/10/2022</TD> <TD>7/10/2022</TD> <TD>&nbsp;</TD> <TD>7/2/2022</TD> <TD>7/3/2022</TD> <TD>&nbsp;</TD> <TD>2</TD> </TR> <TR> <TD>114</TD> <TD>6/10/2022</TD> <TD>7/10/2022</TD> <TD>&nbsp;</TD> <TD>7/5/2022</TD> <TD>7/10/2022</TD> <TD>&nbsp;</TD> <TD>6</TD> </TR> <TR> <TD>114</TD> <TD>7/11/2022</TD> <TD>8/10/2022</TD> <TD>&nbsp;</TD> <TD>7/20/2022</TD> <TD>7/22/2022</TD> <TD>&nbsp;</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>8/9/2022</TD> <TD>9/8/2022</TD> <TD>&nbsp;</TD> <TD>8/23/2022</TD> <TD>8/26/2022</TD> <TD>&nbsp;</TD> <TD>4</TD> </TR> <TR> <TD>114</TD> <TD>9/7/2022</TD> <TD>10/7/2022</TD> <TD>&nbsp;</TD> <TD>9/17/2022</TD> <TD>9/19/2022</TD> <TD>&nbsp;</TD> <TD>3</TD> </TR> <TR> <TD>114</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>&nbsp;</TD> <TD>12/12/2022</TD> <TD>12/15/2022</TD> <TD>&nbsp;</TD> <TD>4</TD> </TR> <TR> <TD>114</TD> <TD>12/1/2022</TD> <TD>12/31/2022</TD> <TD>&nbsp;</TD> <TD>12/29/2022</TD> <TD>1/1/2023</TD> <TD>&nbsp;</TD> <TD>3</TD> </TR> <TR> <TD>152</TD> <TD>1/11/2022</TD> <TD>3/10/2022</TD> <TD>&nbsp;</TD> <TD>1/11/2022</TD> <TD>2/3/2022</TD> <TD>&nbsp;</TD> <TD>24</TD> </TR> <TR> <TD>152</TD> <TD>1/11/2022</TD> <TD>3/10/2022</TD> <TD>&nbsp;</TD> <TD>2/8/2022</TD> <TD>3/3/2022</TD> <TD>&nbsp;</TD> <TD>24</TD> </TR> <TR> <TD>158</TD> <TD>2/24/2022</TD> <TD>4/9/2022</TD> <TD>&nbsp;</TD> <TD>3/11/2022</TD> <TD>3/17/2022</TD> <TD>&nbsp;</TD> <TD>7</TD> </TR> <TR> <TD>158</TD> <TD>7/18/2022</TD> <TD>8/20/2022</TD> <TD>&nbsp;</TD> <TD>7/25/2022</TD> <TD>8/1/2022</TD> <TD>&nbsp;</TD> <TD>8</TD> </TR> <TR> <TD>158</TD> <TD>10/18/2022</TD> <TD>12/27/2023</TD> <TD>&nbsp;</TD> <TD>11/16/2022</TD> <TD>11/21/2022</TD> <TD>&nbsp;</TD> <TD>6</TD> </TR> <TR> <TD>158</TD> <TD>10/18/2022</TD> <TD>12/27/2023</TD> <TD>&nbsp;</TD> <TD>12/8/2022</TD> <TD>12/13/2022</TD> <TD>&nbsp;</TD> <TD>6</TD> </TR> <TR> <TD>919</TD> <TD>5/19/2022</TD> <TD>6/18/2022</TD> <TD>&nbsp;</TD> <TD>5/26/2022</TD> <TD>6/5/2022</TD> <TD>&nbsp;</TD> <TD>11</TD> </TR> <TR> <TD>919</TD> <TD>5/19/2022</TD> <TD>6/18/2022</TD> <TD>&nbsp;</TD> <TD>6/11/2022</TD> <TD>6/14/2022</TD> <TD>&nbsp;</TD> <TD>4</TD> </TR> <TR> <TD>919</TD> <TD>8/18/2022</TD> <TD>1/27/2023</TD> <TD>&nbsp;</TD> <TD>9/7/2022</TD> <TD>9/17/2022</TD> <TD>&nbsp;</TD> <TD>11</TD> </TR> <TR> <TD>919</TD> <TD>8/18/2022</TD> <TD>1/27/2023</TD> <TD>&nbsp;</TD> <TD>10/3/2022</TD> <TD>10/23/2022</TD> <TD>&nbsp;</TD> <TD>21</TD> </TR> <TR> <TD>919</TD> <TD>8/18/2022</TD> <TD>1/27/2023</TD> <TD>&nbsp;</TD> <TD>11/1/2022</TD> <TD>11/21/2022</TD> <TD>&nbsp;</TD> <TD>21</TD> </TR> <TR> <TD>919</TD> <TD>8/18/2022</TD> <TD>1/27/2023</TD> <TD>&nbsp;</TD> <TD>12/8/2022</TD> <TD>1/17/2023</TD> <TD>&nbsp;</TD> <TD>41</TD> </TR> </TBODY> </TABLE> Thu, 09 Mar 2023 12:12:20 GMT https://communities.sas.com/t5/SAS-Programming/Concurrent-Drug-Days-Overlapping/m-p/863170#M340983 NewSASPerson 2023-03-09T12:12:20Z