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Ken_oy
Fluorite | Level 6
a 2X2 table below.

N (row %)

70(89.7) 8(10.3)
62(68.9) 28(31.1)


Question:
Is there any way to calculate the difference, e.g. 31.1%-10.3% and its 95%CI?
Thanks.
1 REPLY 1
Reeza
Super User
AFAIK Not by default because its not a standard statistical measure. I think if you want it you'll also need to calculate a formula for the 95% CI via the delta method.

The odds ratio is more commonly used and for a 2x2 table that can be included in the output.

You may also want to look up the binomial proportion estimates.

HTH,
Reeza

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