Table 2 Multivariable analysis of risk factors for low bone mineral density (BMD)
From: Rheumatoid arthritis and risk factors for low bone mineral density
Variable | Comparison | Spine, odds ratio (95% confidence interval) | P | Femoral neck, odds ratio (95% confidence interval) | P |
|---|---|---|---|---|---|
Menopause | Premenopause | 0.85 (0.42–1.74) | 0.66 | 1.08 (0.52–2.52) | 0.83 |
Ever HRT | Never HRT | 0.69 (0.22–2.16) | 0.53 | 0.55 (0.17–1.76) | 0.31 |
Disease duration | |||||
1–5 years | < 1 year | 0.95 (0.30–3.07) | 0.94 | 2.31 (0.63–8.52) | 0.21 |
5 years | < 1 year | 1.22 (0.41–3.62) | 0.72 | 4.83 (1.44–16.21) | 0.01 |
Corticosteroids | |||||
Never | Ever | 0.87 (0.38–2.03) | 0.75 | 0.69 (0.21–2.23) | 0.54 |
< 5 g cummulative | Never | 1.35 (0.37–4.89) | 0.65 | 1.62 (0.45–5.89) | 0.46 |
>10 g cummulative | Never | 5.39 (1.95–14.86) | 0.0001 | 3.73 (1.23–11.26) | 0.02 |