Re: Binary logistic regression - poor models

Posted by Bruce Weaver on Apr 26, 2016; 2:26pm
URL: http://spssx-discussion.165.s1.nabble.com/Binary-logistic-regression-poor-models-tp5732023p5732039.html

I don't have time to respond to this right now, but am replying so that Agnes' message below gets distributed to the mailing list.  (Nabble shows that none of her messages have actually been posted to the mailing list.)  Perhaps Rich or someone else will have time to jump in before I do.

dfva wrote

Hi HTH!

I have 25 065 samples (patients), and in these samples I have about 2300 patients with heart failure.
I thought it must have been big enough sample set.

Should I check for each variable that in each stratum there are minimum 15 patients with heart failure?
I mean e.g:
- check that among patients having diabetes mellitus is minimum 15 patients with heart failure - and in the same way for other diseases?
- and check for each drug, that among patients were administered for this drug are also minimum 15 patients with heart failure - and in the same way for all drugs?


Thank you:
Agnes