creating a Variable on WEBI to count number of patients who did 2 labs within 60 days creating a Var

[SAR_22]

How do we create a variable on WEBI that calculates if the patients do the same labs within 60 days, and how do we count the total for these patients?

1- calculate the number of days between 2 labs

2- calculate the number of patients how did the 2 labs within 60 days

hare is a sample of the data:

[ayman_salem]

see my answer to similar question

https://community.sap.com/t5/technology-q-a/how-to-calculate-the-time-difference-between-the-same-ti...