Help using Base SAS procedures

Which stattest?

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Which stattest?

Hi, I have question which statistic test to use (if possible):

I want to analyse the use of medicines after an intervention. The dataset includes a control drug and an intervetnion group and the number of drugs after the intervention are statified into 4 different strata (dummy data below). Is it possible to calculate a p-value for each stratum ie. a p-value between control/intervention for "No drugs" and a p-value for control/intervention for "1-2 drugs" and so on.for

Thank in advance for help!

/Thomas

Control

Intervention

No drugs

125

100

p=?

1-2 drugs

50

60

p=?

3-5 drugs

15

30

p=?

more than 5 drugs

10

10

p=?

Total

200

200

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