I had a basic query regarding interpretation of Odds Ratio. This particular problem was sent to me by one of my colleagues. The risk factor association of different risk factors with pancreatic cancer was studied in a case control study.

The values are:

SITUATION 1:

Risk Factor Odds ratio (95% Confidence limits)

SITUATION 2:

Risk Factor Odds ratio 95% Confidence limits

I would be grateful if you could post a reply on what would be the correct

interpretation of the Odds Ratio in situations 1 and 2.

Regards.

The values are:

SITUATION 1:

Risk Factor Odds ratio (95% Confidence limits)

**RF-A**2.5 ( 1.1 - 3.1 )**RF-B**1.4 ( 1.3 - 1.7 )SITUATION 2:

Risk Factor Odds ratio 95% Confidence limits

**RF-A**2.5 1.1 - 9.5**RF-B**1.4 1.1 - 1.7I would be grateful if you could post a reply on what would be the correct

interpretation of the Odds Ratio in situations 1 and 2.

Regards.

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