Table IV.
Increase of TF JSN ≥0.5 grade by quartile groups of baseline anisotropy parameter. U denotes the U-shaped trend
| Birmingham, AL (UAB) computer radiography | Iowa City, IA (Iowa) Digitized film
|
||||||
|---|---|---|---|---|---|---|---|
|
|
Medial tibiofemoral JSN increase
|
||||||
| No significant results were found
|
30 months
|
60 months
|
84 months
|
||||
| No knees (increase %) |
Adjusted OR (95% CI) |
No knees (increase %) |
Adjusted OR (95% CI) |
No knees (increase %) |
Adjusted OR (95% CI) |
||
| Medial bone regions | |||||||
| StrSL: L = 1.20–1.40 | |||||||
| Q1 (low) | 258 (12.4) | 1.0 (ref) | |||||
| Q2 | 259 (6.2) | 0.51 (0.28–0.92) | |||||
| Q3 | 260 (8.1) | 0.74 (0.42–1.30) | |||||
| Q4 (high) | 258 (8.9) | 0.72 (0.41–1.27) | |||||
| Trend | P = 0.026 (U) | ||||||
| Lateral bone regions | |||||||
| StrSL: L = 1.20–1.40 | StrSL: L = 1.20–1.40 | ||||||
| Q1 (low) | 251 (21.5) | 1.0 (ref) | 287 (23.0) | 1.0 (ref) | |||
| Q2 | 251 (10.8) | 0.48 (0.30–0.77) | 291 (14.4) | 0.60 (0.36–0.99) | |||
| Q3 | 254 (15.7) | 0.74 (0.46–1.17) | 291 (16.5) | 0.70 (0.44–1.13) | |||
| Q4 (high) | 250 (19.6) | 1.01 (0.64–1.60) | 289 (19.7) | 0.84 (0.52–1.35) | |||
| Trend | P = 0.002 (U) | P = 0.016 (U) | |||||
Statistically significant associations are indicated in bold.