Table III.
Increase of TF JSN ≥0.5 grade by quartile groups of baseline roughness parameters. Lin denotes the linear trend
| Birmingham, AL (UAB) computer radiography
|
Iowa City, IA (Iowa) Digitized film
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Medial tibiofemoral JSN increase
|
Lateral tibiofemoral JSN increase
|
Medial tibiofemoral JSN increase
|
||||||||||
| 30 months
|
60 months
|
84 months
|
60 months
|
84 months
|
30 months
|
|||||||
| No of knees (increase %) |
Adjusted No OR (95% CI) |
No of knees (increase %) |
Adjusted No OR (95% CI) |
No of knees (increase %) |
Adjusted No OR (95% CI) |
No of knees (increase %) |
Adjusted No OR (95% CI) |
No of knees (increase %) |
Adjusted No OR (95% CI) |
No of knees (increase %) |
Adjusted No OR (95% CI) |
|
| Medial bone regions | ||||||||||||
| FSV_S: S = 1.02–1.36 | FSV_S: S = 1.02–1.36 | FSV_S: S = 1.02–1.36 | FSV_L: L = 2.05–2.39 | FSV_L: L = 2.05–2.39 | FSV_S: S = 0.60–0.80 | |||||||
| Q1 (low) | 203 (6.9) | 1.0 (ref) | 192 (12.5) | 1.0 (ref) | 223 (12.1) | 1.0 (ref) | 194 (2.6) | 1.0 (ref) | 223 (3.1) | 1.0 (ref) | 258 (5.0) | 1.0 (ref) |
| Q2 | 204 (4.9) | 0.70 (0.31–1.54) | 193 (13.5) | 1.07 (0.58–1.97) | 223 (14.8) | 1.52 (0.82–2.81) | 194 (6.7) | 2.93 (1.03–8.35) | 223 (7.6) | 3.29 (1.26–8.56) | 259 (8.1) | 1.45 (0.69–3.05) |
| Q3 | 204 (6.4) | 0.79 (0.36–1.75) | 194 (13.4) | 0.98 (0.53–1.83) | 224 (14.3) | 1.42 (0.77–2.63) | 195 (7.2) | 3.90 (1.39–10.95) | 225 (6.7) | 3.11 (1.18–8.20) | 259 (9.3) | 1.93 (0.98–3.78) |
| Q4 (high) | 203 (12.3) | 2.09 (1.03–4.22) | 193 (19.7) | 2.02 (1.14–3.58) | 224 (20.1) | 2.00 (1.10–3.63) | 194 (7.7) | 4.37 (1.58–12.10) | 223 (9.0) | 5.16 (1.94–13.75) | 259 (13.1) | 2.34 (1.20–4.57) |
| Trend | P = 0.042 (Lin) | P = 0.026 (Lin) | P = 0.035 (Lin) | P = 0.001 (Lin) | P = 0.001 (Lin) | P = 0.007 (Lin) | ||||||
| FDMEAN: all scales 1.02–2.39 | FSV_M: M = 0.90–1.10 | |||||||||||
| Q1 (low) | 221 (12.2) | 1.0 (ref) | 258 (5.4) | 1.0 (ref) | ||||||||
| Q2 | 226 (12.8) | 1.13 (0.62–2.05) | 259 (8.1) | 1.52 (0.75–3.05) | ||||||||
| Q3 | 225 (14.2) | 1.17 (0.60–2.28) | 259 (10.8) | 1.94 (1.03–3.67) | ||||||||
| Q4 (high) | 222 (22.1) | 1.91 (1.07–3.39) | 259 (11.2) | 2.04 (1.02–4.09) | ||||||||
| Trend | P = 0.025 (Lin) | P = 0.028 (Lin) | ||||||||||
| FSV_L: L = 1.20–1.40 | ||||||||||||
| Q1 (low) | 258 (6.6) | 1.0 (ref) | ||||||||||
| Q2 | 259 (7.7) | 1.10 (0.52–2.34) | ||||||||||
| Q3 | 260 (8.5) | 1.56 (0.79–3.08) | ||||||||||
| Q4 (high) | 258 (12.8) | 2.26 (1.13–4.54) | ||||||||||
| Trend | P = 0.007 (Lin) | |||||||||||
| FDV: all scales 0.60–1.40 | ||||||||||||
| Q1 (low) | 260 (4.6) | 1.0 (ref) | ||||||||||
| Q2 | 257 (9.3) | 1.92 (0.91–4.06) | ||||||||||
| Q3 | 260 (7.7) | 1.60 (0.77–3.30) | ||||||||||
| Q4 (high) | 258 (14.0) | 2.81 (1.41–5.57) | ||||||||||
| Trend | P = 0.007 (Lin) | |||||||||||
| Lateral bone regions | ||||||||||||
| FSV_S: S = 1.02–1.36 | ||||||||||||
| Q1 (low) | 223 (9.0) | 1.0 (ref) | ||||||||||
| Q2 | 224 (9.8) | 1.03 (0.53–1.99) | ||||||||||
| Q3 | 224 (4.5) | 0.45 (0.19–1.03) | ||||||||||
| Q4 (high) | 223 (3.1) | 0.32 (0.12–0.82) | ||||||||||
| Trend | P = 0.003 (Lin) | |||||||||||
| FSV_M: M = 1.53–1.88 | ||||||||||||
| Q1 (low) | 222 (9.5) | 1.0 (ref) | ||||||||||
| Q2 | 224 (7.6) | 0.88 (0.45–1.74) | ||||||||||
| Q3 | 224 (5.8) | 0.56 (0.26–1.24) | ||||||||||
| Q4 (high) | 224 (3.6) | 0.30 (0.11–0.80) | ||||||||||
| Trend | P = 0.006 (Lin) | |||||||||||
| FDV: all scales 1.02–2.39 | ||||||||||||
| Q1 (low) | 226 (10.6) | 1.0 (ref) | ||||||||||
| Q2 | 220 (7.3) | 0.79 (0.40–1.55) | ||||||||||
| Q3 | 224 (6.3) | 0.66 (0.32–1.35) | ||||||||||
| Q4 (high) | 224 (2.2) | 0.27 (0.10–0.73) | ||||||||||
| Trend | P = 0.006 (Lin) | |||||||||||
Statistically significant associations are indicated in bold.