Table 2 |
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Factors associated with baseline medial meniscus extrusion |
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| Factor |
Univariable (OR [95% CI]) |
Multivariablea (OR [95% CI]) |
P value |
|
|
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| Age (per year) |
1.06 (0.98–1.13) |
1.03 (0.94–1.13) |
0.579 |
| Sex (female versus male) |
0.52 (0.21–1.28) |
3.67 (0.65–20.80) |
0.141 |
| OA family history (+ versus -) |
1.63 (0.66–3.99) |
0.65 (0.21–2.02) |
0.452 |
| BMI (per unit) |
1.16 (1.07–1.25)* |
1.13(1.02–1.25)* |
0.019 |
| Weight (per kg) |
1.06 (1.03–1.09)* |
1.04 (1.00–1.08)*b |
0.029 |
| Obese (+ versus -) |
4.90 (1.98–12.18)* |
4.87 (1.59–14.92)*c |
0.006 |
| Past knee injury (+ versus -) |
2.62 (1.03–6.64)* |
3.73 (1.16–11.97)* |
0.027 |
| Medial tibial cartilage volume (per ml) |
2.06 (0.99–4.31) |
1.52 (0.42–5.54) |
0.527 |
| Medial tibial bone area (per cm2) |
1.35 (1.15–1.59)* |
1.37 (1.02–1.85)* |
0.038 |
| Medial radiographic osteoarthritis (+ versus -) |
6.88 (2.57–18.40)* |
4.21 (1.25–14.21)* |
0.021 |
| Medial joint space narrowing (per grade) |
4.27 (1.65–11.06)* |
1.97 (0.56–6.87) |
0.288 |
| Medial osteophytes (per grade) |
9.52 (3.49–25.97)* |
4.89 (1.59–15.02)* |
0.006 |
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|
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The dependent variable was medial meniscal extrusion. aAdjusted by factors listed in the table. bAdjusted for height and factors listed except for body mass index (BMI). cAdjusted for factors listed except for BMI and weight. *Statistically significant associations. CI, confidence interval; OA, osteoarthritis; OR, odds ratio. |
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Ding et al. Arthritis Research & Therapy 2007 9:R21 doi:10.1186/ar2132 |
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