Table 3 Multivariate analysis (Logistic Regression) considering the following variables: age, gender, body mass index and polymorphism of TNFA gene with the prevalence of osteoarthritis in elderly
Variables | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
Unadjusted Odds ratio | CI (95%) | p | Adjusted Odds ratio | CI (95%) | p | |
Age Range | ||||||
60–70 years old | 1 | – | – | 1 | – | – |
> 70 years old | 1.03 | – | 0.21 | – | – | – |
Gender | ||||||
Male | 1 | – | – | 1 | ||
Female | 2.75 | 1.55–4.89 | 0.001 | 2.67 | 1.48–4.8 | 0.001* |
Body Mass Index | ||||||
Normal | 1 | – | – | 1 | – | – |
Overweight/Obesity | 1.28 | 0.77–2.20 | 0.35 | – | – | – |
Polymorphism of TNFA | ||||||
GG | 1 | – | 1 | – | 0.02* | |
AA+GA | 1.86 | 1.1–3.1 | 0.02 | 1.87 | 1.1–3.2 | |