Can anyone help me to send the data from the screen to the dosage result screen?

You have many way.
You can save it in a variable ( I suggest you a list ) and use the open another screen with value and the value is the list with all the data. You can use a tinyDb that works across the screens so you can save in the first screen and retrieve in the second .
Or you can evaluate to use arrangements as screen so you haven’t to pass information between screen .
Set every arrangements like a screen and set visible true or not to simulate the change of screen.
When you have data you will set the value in the right label

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