Table 5 Association between patella alignment (fore groups) and adjusted means of medial patellar osteophytes
Measure | Â | Medial patellar osteophytes | p for trend | |||
|---|---|---|---|---|---|---|
| Â | Quartile... | 1 | 2 | 3 | 4 | Â |
PLR | No. of knees | 100 | 100 | 100 | 104 | Â |
|  | Range of PLR | 0.66–0.87 | 0.88–0.98 | 0.98–1.12 | 1.13–1.71 |  |
|  | OR (95% CI) | 1.00 | 1.27 (0.75–2.15) | 1.16 (0.68–1.96) | 1.12 (0.66–1.90) | Linear, 0.5996 |
SA | No. of knees | 102 | 104 | 98 | 100 | Â |
|  | Range of SA | 98–113 | 114–119 | 120–124 | 125–155 |  |
|  | OR (95% CI) | 1.00 | 1.465 (0.87–2.43) | 1.73 (1.03–2.93) | 1.69 (1.01–2.83) | Linear, 0.0514 |
LPTA | No. of knees | 104 | 102 | 88 | 108 | Â |
|  | Range of LPTA | -25 to 13 | 14–17 | 18–21 | 22–35 |  |
|  | OR (95% CI) | 1.00 | 0.80 (0.48–1.35) | 0.93 (0.55–1.60) | 1.43 (0.85–2.39) | Linear, 0.1080 |
BO | No. of knees | 98 | 98 | 102 | 100 | Â |
|  | Range of BO | 38.46–54.55 | 54.76–60.42 | 60.47–66.67 | 66.67–100 |  |
|  | OR (95% CI) | 1.00 | 0.887 (0.346–2.272) | 0.711 (0.272–1.857) | 0.189 (0.057–0.638) | Linear, 0.888 |