when FUW takes a variable denoting time (days, months...) since/before 0 (= the first prescription/dispensing event in the dataset for a patient), it is useful to accept negative numbers, as the FUW before the start of the OW is only taken into account for carry over before OW
ddediu
commented
3 years ago
when FUW takes a variable denoting time (days, months...) since/before 0 (= the first prescription/dispensing event in the dataset for a patient), it is useful to accept negative numbers, as the FUW before the start of the OW is only taken into account for carry over before OW