Risk of meniscal tears (grade 3 MRI SI) among 92 floor layers compared to 49 graphic designers.
| Floor Layers | Graphic Designers | OR* | 95% CI | |||
|---|---|---|---|---|---|---|
| n | % | n | % | |||
| Medial meniscus | 62 | 67.4 | 26 | 53.1 | 2.28 | 1.10–4.98 |
| Unilateral† | 15 | 24.2 | 11 | 42.3 | 0.95 | 0.33–2.67 |
| Right Knee | 8 | 53.3 | 4 | 36.4 | ||
| Left knee | 7 | 46.7 | 7 | 63.6 | ||
| Bilateral†† | 47 | 75.8 | 15 | 57.7 | 3.46 | 1.41–8.48 |
| Lateral meniscus | 12 | 13.0 | 11 | 22.4 | 0.75 | 0.29–1.98 |
| Unilateral† | 11 | 91.7 | 9 | 81.8 | 0.78 | 0.28–2.17 |
| Right knee | 1 | 9.1 | 6 | 66.7 | ||
| Left knee | 10 | 90.9 | 3 | 33.3 | ||
| Bilateral†† | 1 | 8.3 | 2 | 18.2 | 0.50 | 0.04–6.51 |