Hi,
Could anyone help me suggesting how to derive the highlighted outcome (OD = 12.6, 95%CI = 4.8-33.0) in attached figure. (Source: Table 1; N Engl J Med. 2011 April 21; 364(16): 1576–1577. doi:10.1056/NEJMc1013504)
Good morning Amit
This is perhaps adjusted odds ratios. You can not determine them without the database. Are you sure that there was no further information on any part of the table?
Greetings Prof. Abdeldjellil,
Thanks you for your interest.
I could now derive the highlighted outcome 12.6 (4.8-33.0) for Univ. of Chic. group and 5.9 (4.4-7.8) for overall group. This seems not a case of covariant adjustment as logistic regression model was not applied. Possibly, it is a type-setting mistake and I just wanted to be sure.
Thank you once again for reply.
Best regards,
dear Amit
I am also agree with you and this is a kind of type-setting mistake but odds rastio (9.7) from chic.group should move with (5.9) for the overall group.
It looks like typesetting/formatting errors. A quick check with online calculator confirms this
https://ihg.gsf.de/cgi-bin/hw/hwa2.pl
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