inverse of odds ratio

[Shripada Rao]

Hi,
I am doing a meta-analysis exploring the association between hyperglycemia and neurodevelopmental outcomes.In one study it is reported that hyperglycemia was associated with "decreased chance of survival without disability" at 2 years of age (odds ratio: 0.41; 95% confidence intervals 0.21, 0.78).
Is it possible to inverse the odds ratios and conclude that hyperglycemia was associated with "increased chance of survival with disability" at 2 years of age (odds ratio: 2.44; 95% CI:1.27; 4.76).

[Leonardo Guizzetti]

Yes, the inversion is possible, and reverses the interpretation as you indicated. The OR and its confidence limits will have some additional rounding error due to inversion of rounded digits.

[Shripada Rao]

Thank you; I am very grateful for the advice