Table 5.
Univariate and multivariate analysis for association of osteoarthritis (OA) progression [defined by joint space narrowing (JSN)] with serum ferritin (dichotomized at third quintile)
| OA progression variable |
Odds ratio* |
Adjusted Odds ratio** |
|---|---|---|
| [95% CI; P value] | [95% CI; P value] | |
|
All (
N
= 120) |
|
|
| JSN (mm) |
|
|
| ≤ 0.5 (N = 82) |
0.42 |
0.32** |
| > 0.5 (N = 38) |
[CI: 0.15–1.023; P = 0.046] |
[CI: 0.12–0.81; P = 0.0170] |
|
Female (
N
= 76) |
|
|
| JSN (mm) |
|
|
| ≤ 0.5 (N = 53) |
0.076 |
0.07*** |
| > 0.5 (N = 23) |
[CI: 0.001–0.55; P = 0.002 |
[CI: 0.009–0.63; P = 0.016] |
|
Male (
N
= 44) |
|
|
| JSN (mm) |
|
|
| ≤ 0.5 (N = 29) |
0.91 |
0.79*** |
| > 0.5 (N = 15) | [CI: 0.21–4.06; P = 1.0] | [CI: 0.21–3.02; P = 0.74] |
*Univariate logistic regression
**Multivariate logistic regression adjusted for body mass index (BMI), age, sex.
***Multivariate logistic regression adjusted for body mass index (BMI), age.