Table 1 Sample characteristics (weighted counts; N = 163.0)
Variable | n (%) |
|---|---|
Baseline history of knee NSI | |
None | 105.5 (64.7) |
Moderate | 39.8 (24.4) |
Severe | 17.7 (10.8) |
Baseline history of knee SI | |
None | 132.4 (81.2) |
Moderate | 12.7 (7.8) |
Severe | 17.9 (11.0) |
1Baseline KL | |
0/1 | 98.9 (60.6) |
2 | 34.5 (21.2) |
3 | 16.3 (10.0) |
4 | 13.4 (8.2) |
1Progressors (KL increase by ≥ 1 grade at follow-up) | 57.0 (35.0) |
Female | 88.1 (54.0) |
Baseline age, mean (SD) | 57.6 (10.1) |
Baseline BMI, mean (SD) | 26.1 (4.2) |
Years of follow-up, mean (SD) | 3.3 (0.6) |