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Table 1 Sample characteristics (weighted counts; N = 163.0)

From: Does moderate or severe nonspecific knee injury affect radiographic osteoarthritis incidence and progression?

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)
  1. 1KL 0/1 is treated as one category.